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• Windows Share permissions

  - by Armando

  I have a SQL/File server that I am replicating a File Share and SQL instance, using ArcServer RHA, to a Replica server. Everything seems to work as far as the replication of the SLQ instance and Share is concerned. When I fail over to the Replica server the DNS Host A record is modified to point to the Replica Server IP Address so if I do an NSLOOKUP on ServerA it then points to the IP Address of ServerB. Ans since the SQL instance is named the same I can still map my ODBC connections to ServerA and I can still make a SQL connection. When I try to do a \ServerA\Share I get an error that says I do not have permissions to the Share. I think this is because it uses keberose authentication and the Share is tied to the actual sever host name. I have tried puting in a CNAME and pointing it to ServerA and Disabling Strict Name Checking on ServerB as well as adding the CNAME to the OptionalNames in the registry but I am still getting the error when I have the ServerA powered off. Is there a way to reset the Authentication of the Share to use the DNS Cname?

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• Faster way to transfer table data from linked server

  - by spender

  After much fiddling, I've managed to install the right ODBC driver and have successfully created a linked server on SQL Server 2008, by which I can access my PostgreSQL db from SQL server. I'm copying all of the data from some of the tables in the PgSQL DB into SQL Server using merge statements that take the following form: with mbRemote as ( select * from openquery(someLinkedDb,'select * from someTable') ) merge into someTable mbLocal using mbRemote on mbLocal.id=mbRemote.id when matched /*edit*/ /*clause below really speeds things up when many rows are unchanged*/ /*can you think of anything else?*/ and not (mbLocal.field1=mbRemote.field1 and mbLocal.field2=mbRemote.field2 and mbLocal.field3=mbRemote.field3 and mbLocal.field4=mbRemote.field4) /*end edit*/ then update set mbLocal.field1=mbRemote.field1, mbLocal.field2=mbRemote.field2, mbLocal.field3=mbRemote.field3, mbLocal.field4=mbRemote.field4 when not matched then insert ( id, field1, field2, field3, field4 ) values ( mbRemote.id, mbRemote.field1, mbRemote.field2, mbRemote.field3, mbRemote.field4 ) WHEN NOT MATCHED BY SOURCE then delete; After this statement completes, the local (SQL Server) copy is fully in sync with the remote (PgSQL server). A few questions about this approach: is it sane? it strikes me that an update will be run over all fields in local rows that haven't necessarily changed. The only prerequisite is that the local and remote id field match. Is there a more fine grained approach/a way of constraining the merge statment to only update rows that have actually changed?

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• should I use Entity Framework instead of raw ADO.NET

  - by user110182

  I am new to CSLA and Entity Framework. I am creating a new CSLA / Silverlight application that will replace a 12 year old Win32 C++ system. The old system uses a custom DCOM business object library and uses ODBC to get to SQL Server. The new system will not immediately replace the old system -- they must coexist against the same database for years to come. At first I thought EF was the way to go since it is the latest and greatest. After making a small EF model and only 2 CSLA editable root objects (I will eventually have hundreds of objects as my DB has 800+ tables) I am seriously questioning the use of EF. In the current system I have the need many times to do fine detail performance tuning of the queries which I can do because of 100% control of generated SQL. But it seems in EF that so much happens behind the scenes that I lose that control. Article like http://toomanylayers.blogspot.com/2009/01/entity-framework-and-linq-to-sql.html don't help my impression of EF. People seem to like EF because of LINQ to EF but since my criteria is passed between client and server as criteria object it seems like I could build queries just as easily without LINQ. I understand in WCF RIA that there is query projection (or something like that) where I can do client side LINQ which does move to the server before translation into actual SQL so in that case I can see the benefit of EF, but not in CSLA. If I use raw ADO.NET, will I regret my decision 5 years from now? Has anyone else made this choice recently and which way did you go?

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• should I use Entity Framework instead of raw ADO.NET

  - by user110182

  I am new to CSLA and Entity Framework. I am creating a new CSLA / Silverlight application that will replace a 12 year old Win32 C++ system. The old system uses a custom DCOM business object library and uses ODBC to get to SQL Server. The new system will not immediately replace the old system -- they must coexist against the same database for years to come. At first I thought EF was the way to go since it is the latest and greatest. After making a small EF model and only 2 CSLA editable root objects (I will eventually have hundreds of objects as my DB has 800+ tables) I am seriously questioning the use of EF. In the current system I have the need many times to do fine detail performance tuning of the queries which I can do because of 100% control of generated SQL. But it seems in EF that so much happens behind the scenes that I lose that control. Article like http://toomanylayers.blogspot.com/2009/01/entity-framework-and-linq-to-sql.html don't help my impression of EF. People seem to like EF because of LINQ to EF but since my criteria is passed between client and server as criteria object it seems like I could build queries just as easily without LINQ. I understand in WCF RIA that there is query projection (or something like that) where I can do client side LINQ which does move to the server before translation into actual SQL so in that case I can see the benefit of EF, but not in CSLA. If I use raw ADO.NET, will I regret my decision 5 years from now? Has anyone else made this choice recently and which way did you go?

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• Filemaker to SQL Server via SSIS

  - by TexasT

  I'm using SSIS and trying to import data from Filelmaker into SQL Server. In the Solution Explorer, I right click on "SSIS Packages" and select SQL Server Import and Export Wizard". During the process, I use my DSN as the source, SQL Server as the destination, use a valid query to pull data from Filemaker, and set the mappings. Each time I try to run the package, I receive the following message: The "output column "LastNameFirst" (12)" has a length that is not valide. The length must be between 0 and 4000. I do not understand this error exactly, but in the documentation for ODBC: http://www.filemaker.com/downloads/pdf/fm9%5Fodbc%5Fjdbc%5Fguide%5Fen.pdf (page 47) it states: "The maximum column length of text is 1 million characters, unless you specify a smaller Maximum number of characters for the text field in FileMaker. FileMaker returns empty strings as NULL." I'm thinking that the data type is too large when trying to convert it to varchar. But even after using a query of SUBSTR(LastNameFirst, 1, 2000), I get the same error. Any suggestions?

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• sqlalchemy date type in 0.6 migration using mssql

  - by nosklo

  I'm connection to mssql server through pyodbc, via FreeTDS odbc driver, on linux ubuntu 10.04. Sqlalchemy 0.5 uses DATETIME for sqlalchemy.Date() fields. Now Sqlalchemy 0.6 uses DATE, but sql server 2000 doesn't have a DATE type. How can I make DATETIME be the default for sqlalchemy.Date() on sqlalchemy 0.6 mssql+pyodbc dialect? I'd like to keep it as clean as possible. Here's code to reproduce the issue: import sqlalchemy from sqlalchemy import Table, Column, MetaData, Date, Integer, create_engine engine = create_engine( 'mssql+pyodbc://sa:sa@myserver/mydb?driver=FreeTDS') m = MetaData(bind=engine) tb = sqlalchemy.Table('test_date', m, Column('id', Integer, primary_key=True), Column('dt', Date()) ) tb.create() And here is the traceback I'm getting: Traceback (most recent call last): File "/tmp/teste.py", line 15, in <module> tb.create() File "/home/nosklo/.local/lib/python2.6/site-packages/sqlalchemy/schema.py", line 428, in create bind.create(self, checkfirst=checkfirst) File "/home/nosklo/.local/lib/python2.6/site-packages/sqlalchemy/engine/base.py", line 1647, in create connection=connection, **kwargs) File "/home/nosklo/.local/lib/python2.6/site-packages/sqlalchemy/engine/base.py", line 1682, in _run_visitor **kwargs).traverse_single(element) File "/home/nosklo/.local/lib/python2.6/site-packages/sqlalchemy/sql/visitors.py", line 77, in traverse_single return meth(obj, **kw) File "/home/nosklo/.local/lib/python2.6/site-packages/sqlalchemy/engine/ddl.py", line 58, in visit_table self.connection.execute(schema.CreateTable(table)) File "/home/nosklo/.local/lib/python2.6/site-packages/sqlalchemy/engine/base.py", line 1157, in execute params) File "/home/nosklo/.local/lib/python2.6/site-packages/sqlalchemy/engine/base.py", line 1210, in _execute_ddl return self.__execute_context(context) File "/home/nosklo/.local/lib/python2.6/site-packages/sqlalchemy/engine/base.py", line 1268, in __execute_context context.parameters[0], context=context) File "/home/nosklo/.local/lib/python2.6/site-packages/sqlalchemy/engine/base.py", line 1367, in _cursor_execute context) File "/home/nosklo/.local/lib/python2.6/site-packages/sqlalchemy/engine/base.py", line 1360, in _cursor_execute context) File "/home/nosklo/.local/lib/python2.6/site-packages/sqlalchemy/engine/default.py", line 277, in do_execute cursor.execute(statement, parameters) sqlalchemy.exc.ProgrammingError: (ProgrammingError) ('42000', '[42000] [FreeTDS][SQL Server]Column or parameter #2: Cannot find data type DATE. (2715) (SQLExecDirectW)') '\nCREATE TABLE test_date (\n\tid INTEGER NOT NULL IDENTITY(1,1), \n\tdt DATE NULL, \n\tPRIMARY KEY (id)\n)\n\n' ()

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• MySQL performance - 100Mb ethernet vs 1Gb ethernet

  - by Rob Penridge

  Hi All I've just started a new job and noticed that the analysts computers are connected to the network at 100Mbps. The ODBC queries we run against the MySQL server can easily return 500MB+ and it seems at times when the servers are under high load the DBAs kill low priority jobs as they are taking too long to run. My question is this... How much of this server time is spent executing the request, and how much time is spent returning the data to the client? Could the query speeds be improved by upgrading the network connections to 1Gbps? (Updated for the why): The database in question was built to accomodate reporting needs and contains massive amounts of data. We usually work with subsets of this data at a granular level in external applications such as SAS or Excel, hence the reason for the large amounts of data being transmitted. The queries are not poorly structured - they are very simple and the appropriate joins/indexes etc are being used. I've removed 'query' from the Title of the post as I realised this question is more to do with general MySQL performance rather than query related performance. I was kind of hoping that someone with a Gigabit connection may be able to actually quantify some results for me here by running a query that returns a decent amount of data, then they could limit their connection speed to 100Mb and rerun the same query. Hopefully this could be done in an environment where loads are reasonably stable so as not to skew the results. If ethernet speed can improve the situation I wanted some quantifiable results to help argue my case for upgrading the network connections. Thanks Rob

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• Issues Connecting to SQLExpress using Oracle SQL Developer

  - by ArtDeveloper

  Hey Guys, I'm trying to create a connection inside Oracle SQL Developer to a SQLExpress database I have Everything I have resides on the same machine so there isn't any network issues I should have to deal with but everytime I follow the instructions and I try to connect I get the following message "Failure - Unable to get information from SQL Server: localhost." I can connect to the SQLExpress DB using the SQL Management Studio and through an ODBC connection. I've installed the third party extensions and I've enabled the TCP protocol on the SQL Server Configuration manager as well as enabled the IP Addresses I'm assuming that the SQLExpress Database is on port 1433 because I didn't change this when I installed but if someone can tell me how to double check that I would appreciate that info as well. I setup the new connection with the following information name: databasename I'm using windows authentication so the username and password aren't filled in host:localhost port:1433/databasename;instance=SQLEXPRESS *databasename - this is replaced with the actual DB name I've just changed the name here to protect the innocent I've spent about a full day on this trying to get it connected and many google attempts where other ppl have had this issue but have gotten it solved through various methods that I've tried and it hasn't resolved my issue. Any information would be much appreciated Thank you in Advance, AD

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• flushing database cache in SWI-Prolog

  - by JPro

  We are using swi-prolog to run our testcases. Whenever the test starts, I am opening the connection to MYSQL database and storing the Name of the Test hat is being done and then closing the DB. These tests run for about 2 days continuously. After the tests are done, the results basically gets stored in folder in the server. There is a predicate in another prolog file that is called to update the results to the MYSQL database. The code is simple, I use odbc library and just call odbc_* predicates to connect and update the mysql by issuing direct queries. The actual problem is : If I try to call the Predicate from the same Prolog window, where the test just got completed, I get an error as updating to the DB server. Although I do not get any error in the connection. If I close the session of that prolog with halt and closing all the open prolog windows , then open an other complete new instance of Prolog and run the predicate the update goes well. I have a feeling that there is some connection reference to the MySQL DB in Prolog database. Is there any way to clear the database in prolog so that I can run the same predicate without closing any existing prolog windows? Any ideas appreciated. Thanks.

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• Nature of Lock is child table while deletion(sql server)

  - by Mubashar Ahmad

  Dear Devs From couple of days i am thinking of a following scenario Consider I have 2 tables with parent child relationship of kind one-to-many. On removal of parent row i have to delete the rows in child those are related to parents. simple right? i have to make a transaction scope to do above operation i can do this as following; (its psuedo code but i am doing this in c# code using odbc connection and database is sql server) begin transaction(read committed) Read all child where child.fk = p1 foreach(child) delete child where child.pk = cx delete parent where parent.pk = p1 commit trans OR begin transaction(read committed) delete all child where child.fk = p1 delete parent where parent.pk = p1 commit trans Now there are couple of questions in my mind Which one of above is better to use specially considering a scenario of real time system where thousands of other operations(select/update/delete/insert) are being performed within a span of seconds. does it ensure that no new child with child.fk = p1 will be added until transaction completes? If yes for 2nd question then how it ensures? do it take the table level locks or what. Is there any kind of Index locking supported by sql server if yes what it does and how it can be used. Regards Mubashar

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• DB2 with mod_perl not working, works fine in CGI

  - by Matthew

  Hi, I'm having issues with getting DBI's IBM DB2 driver to work with mod_perl. My test script is: #!/usr/bin/perl use CGI; use Data::Dumper; use DBI; $q = CGI->new; print $q->header; print $q->start_html(); $dsn = "DBI:DB2:SAMPLE"; $username = "username"; $password = "password"; $dbc = DBI->connect($dsn, $username, $password); $sth = $dbc->prepare("SELECT * FROM SOME_TABLE WHERE FIELD='SOMETHING'"); $sth->execute(); $row = $sth->fetchrow_hashref(); print "<pre>".$q->escapeHTML(Dumper($row))."</pre>"; print $q->end_html; This script works as CGI but not under mod_perl. I get this error in apache's error log: DBD::DB2::dr connect warning: [unixODBC][Driver Manager]Data source name not found, and no default driver specified at /usr/lib/perl5/site_perl/5.8.8/Apache/DBI.pm line 190. DBI connect('SAMPLE','username',...) failed: [unixODBC][Driver Manager]Data source name not found, and no default driver specified at /data/www/perl/test.pl line 15 First of all, why is it using ODBC? The native DB2 driver is installed (hence it works as CGI). Running Apache 2.2.3, mod_perl 2.0.4 under RHEL5. This guy had the same problem as me: http://www.mail-archive.com/[email protected]/msg22909.html But I have no idea how he fixed it. What does mod_php4 have to do with mod_perl? Any help would be greatly appreciated, I'm having no luck with google.

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• Alternatives to decompiling MS Access MDE files

  - by booyaa

  I've been tasked with finding a suitable tool to decompile MDE files. The MDEs were created by staff who have since left (familar story eh?) and we do not have access to the originally MDB files. The reason we need access to the original code is that the data source is changing (the backend as well as some of the table and queries) and we need a way to update queries. An example of a change, in a SELECT statement where is the WHERE clause looks for zero as a string ("0") rather than an integer. I'm aware that unless you use the services of people like EverythingAccess.com its unlikely you will ever get the source code back. My main query is to ask for alternative methods to decompiling code. An example of the kinds of methods I'm thinking about is to spy on the traffic between the app the the ODBC DSN using tcpdump. I might then be able to write code to translate the data source queries between the old and new systems. Ideally I'd prefer a solution that is application centric rather than one that analyses all network traffic. I should add one caveat, no doubt most of you are thinking the best solution is to rewrite the code, based on its perceived functionality. This is the option we're not considering (at the moment).

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• using ResultSet.Previous method not working in Java using .mdb file OBDC

  - by jsonnie

  Hello, I'm currently having an issue with my open result set not working how I believe it should. The only function that is currently working is the next() method, nothing else will work. If the project is placed into a debug mode you can follow through actionperformed event on the button it hits the previous() method and jumps over the remaining code in the method. If someone could point me in the right direction it would be truly appreciated. FORM CODE: import java.sql.; import javax.swing.; public class DataNavigator extends javax.swing.JFrame { public DataInterface db = null; public Statement s = null; public Connection con = null; public PreparedStatement stmt = null; public ResultSet rs = null; /** Creates new form DataNavigator */ public DataNavigator() { initComponents(); try { db = new DataInterface("jdbc:odbc:CMPS422"); con = db.getConnection(); stmt = con.prepareStatement("SELECT * FROM Products"); rs = stmt.executeQuery(); rs.last(); } catch (Exception e) { } } /** This method is called from within the constructor to * initialize the form. * WARNING: Do NOT modify this code. The content of this method is * always regenerated by the Form Editor. */ @SuppressWarnings("unchecked") // <editor-fold defaultstate="collapsed" desc="Generated Code"> private void initComponents() { btnFirst = new javax.swing.JButton(); btnNext = new javax.swing.JButton(); btnLast = new javax.swing.JButton(); btnUpdate = new javax.swing.JButton(); btnInsert = new javax.swing.JButton(); btnDelete = new javax.swing.JButton(); txtPartNum = new javax.swing.JTextField(); txtDesc = new javax.swing.JTextField(); txtQty = new javax.swing.JTextField(); txtPrice = new javax.swing.JTextField(); jLabel1 = new javax.swing.JLabel(); jLabel2 = new javax.swing.JLabel(); jLabel3 = new javax.swing.JLabel(); jLabel4 = new javax.swing.JLabel(); btnPrev = new javax.swing.JButton(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); setTitle("Assignment 3 Data Navigator"); addWindowListener(new java.awt.event.WindowAdapter() { public void windowOpened(java.awt.event.WindowEvent evt) { formWindowOpened(evt); } }); btnFirst.setText("First"); btnFirst.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnFirstActionPerformed(evt); } }); btnNext.setText("Next"); btnNext.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnNextActionPerformed(evt); } }); btnLast.setText("Last"); btnLast.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnLastActionPerformed(evt); } }); btnUpdate.setText("Update"); btnInsert.setText("Insert"); btnDelete.setText("Delete"); jLabel1.setText("Part Number:"); jLabel2.setText("Description:"); jLabel3.setText("Quantity:"); jLabel4.setText("Price:"); btnPrev.setText("Prev"); btnPrev.addMouseListener(new java.awt.event.MouseAdapter() { public void mouseClicked(java.awt.event.MouseEvent evt) { btnPrevMouseClicked(evt); } }); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addContainerGap() .addComponent(btnFirst) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGap(2, 2, 2) .addComponent(btnPrev) .addGap(4, 4, 4) .addComponent(btnNext) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(btnLast)) .addComponent(jLabel1) .addComponent(jLabel2) .addComponent(jLabel3) .addComponent(jLabel4)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false) .addComponent(txtPartNum) .addGroup(layout.createSequentialGroup() .addComponent(btnUpdate) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(btnInsert) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(btnDelete)) .addComponent(txtDesc) .addComponent(txtQty) .addComponent(txtPrice)) .addContainerGap(71, Short.MAX_VALUE)) ); layout.setVerticalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addContainerGap() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(btnFirst) .addComponent(btnNext) .addComponent(btnLast) .addComponent(btnUpdate) .addComponent(btnInsert) .addComponent(btnDelete) .addComponent(btnPrev)) .addGap(66, 66, 66) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING) .addComponent(jLabel1) .addComponent(txtPartNum, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING) .addComponent(txtDesc, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jLabel2)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING) .addComponent(txtQty, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jLabel3)) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING) .addComponent(txtPrice, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jLabel4)) .addContainerGap(102, Short.MAX_VALUE)) ); pack(); }// </editor-fold> private void formWindowOpened(java.awt.event.WindowEvent evt) { try { this.txtPartNum.setText(rs.getString("Partnum")); this.txtDesc.setText(rs.getString("Description")); this.txtPrice.setText(rs.getString("Price")); this.txtQty.setText(rs.getString("Quantity")); } catch (SQLException e) { } } private void btnNextActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: try { System.out.println(rs.getCursorName()); rs.next(); rs.moveToCurrentRow(); System.out.println(rs.getCursorName()); this.txtPartNum.setText(rs.getString("Partnum")); this.txtDesc.setText(rs.getString("Description")); this.txtPrice.setText(rs.getString("Price")); this.txtQty.setText(rs.getString("Quantity")); System.out.println(rs.getRow()); } catch (Exception e) { } } private void btnLastActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: try { rs.last(); this.txtPartNum.setText(rs.getString("Partnum")); this.txtDesc.setText(rs.getString("Description")); this.txtPrice.setText(rs.getString("Price")); this.txtQty.setText(rs.getString("Quantity")); } catch (Exception e) { } } private void btnFirstActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: try { rs.first(); this.txtPartNum.setText(rs.getString("Partnum")); this.txtDesc.setText(rs.getString("Description")); this.txtPrice.setText(rs.getString("Price")); this.txtQty.setText(rs.getString("Quantity")); } catch (Exception e) { } } private void btnPrevMouseClicked(java.awt.event.MouseEvent evt) { // TODO add your handling code here: try { int i; i = rs.getRow(); if (i > 0) { rs.previous(); System.out.println(rs.getRow()); this.txtPartNum.setText(rs.getString("Partnum")); this.txtDesc.setText(rs.getString("Description")); this.txtPrice.setText(rs.getString("Price")); this.txtQty.setText(rs.getString("Quantity")); } else { System.out.println("FALSE"); } } catch (Exception e) { } } /** * @param args the command line arguments */ public static void main(String args[]) { java.awt.EventQueue.invokeLater(new Runnable() { public void run() { new DataNavigator().setVisible(true); } }); } // Variables declaration - do not modify private javax.swing.JButton btnDelete; private javax.swing.JButton btnFirst; private javax.swing.JButton btnInsert; private javax.swing.JButton btnLast; private javax.swing.JButton btnNext; private javax.swing.JButton btnPrev; private javax.swing.JButton btnUpdate; private javax.swing.JLabel jLabel1; private javax.swing.JLabel jLabel2; private javax.swing.JLabel jLabel3; private javax.swing.JLabel jLabel4; private javax.swing.JTextField txtDesc; private javax.swing.JTextField txtPartNum; private javax.swing.JTextField txtPrice; private javax.swing.JTextField txtQty; // End of variables declaration } CLASS OBJECT CODE: import java.sql.*; import javax.swing.JOptionPane; public class DataInterface { private static DataInterface dbint = null; private static Connection conn = null; // connection object. private static ResultSet rset = null; public DataInterface(String ODBCDSN) { try { // See if the driver is present. Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); // Open connection to database. conn = DriverManager.getConnection(ODBCDSN); JOptionPane.showMessageDialog(null, "Database successfully opened"); } catch (Exception e) { JOptionPane.showMessageDialog(null, e.toString()); } } public Connection getConnection() { return conn; } public static DataInterface getInstance() { return dbint; } public static ResultSet getResultSet() { return rset; } public PreparedStatement setStatement(String a) throws SQLException{ PreparedStatement stmt = conn.prepareStatement(a); return stmt; }

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• Mysql latin1 turkish data and delphi 2010 utf8

  - by sabri.arslan

  Hello, I have tables collating latin1_general_ci and have turkish character values. And i can use this data on delphi 7+zeos with no problem. but i want to upgrade my delphi to 2010 version but zeos too slow as i saw. so i want to use odbc+ado or dbexpress solution. dbexpress solution works fine , display my data as entered and write as entered table without any change to column charset. but dbexpress has problems as i saw. for example when i select * from table which has column types as varchar,decimal,int,tinyint,text give av errors on xp systems. vista and 7 does not give any error and work fine(not fully tested). ado solution(dbgo) works fine but its not show my data as entered.its want everything be utf. but i don't want to convert my data to utf before test everything. how can i see my data as entered and write client side utf and store latin1(as zeos or dbexpress do). i was tried many other options. eg. mysql side collation and charset parameters. sorry for my bad english. i hope someone understand me. thanks.

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• Service php-fpm does not support chkconfig

  - by ychian

  Everything is working fine. Just that when i chkconfig –add php-fpm It throws me an error Service php-fpm does not support chkconfig php-5.2.13 php-5.2.13-fpm-0.5.13.diff.gz Below is the configuration i use ./configure --enable-fastcgi --enable-fpm --build=x86_64-redhat-linux-gnu --host=x86_64-redhat-linux-gnu --target=x86_64-redhat-linux-gnu --program-prefix= --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64 --libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/usr/com --mandir=/usr/share/man --infodir=/usr/share/info --cache-file=../config.cache --with-libdir=lib64 --with-config-file-path=/etc --with-config-file-scan-dir=/etc/php.d --disable-debug --with-pic --disable-rpath --with-pear --with-bz2 --with-curl --with-exec-dir=/usr/bin --with-freetype-dir=/usr --with-png-dir=/usr --enable-gd-native-ttf --without-gdbm --with-gettext --with-gmp --with-iconv --with-jpeg-dir=/usr --with-openssl --with-png --with-expat-dir=/usr --with-pcre-regex=/usr --with-zlib --with-layout=GNU --enable-exif --enable-ftp --enable-magic-quotes --enable-sockets --enable-sysvsem --enable-sysvshm --enable-sysvmsg --enable-track-vars --enable-trans-sid --enable-yp --enable-wddx --with-kerberos --enable-ucd-snmp-hack --with-unixODBC=shared,/usr --enable-memory-limit --enable-shmop --enable-calendar --enable-dbx --enable-dio --with-mime-magic=/usr/share/file/magic.mime --without-sqlite --with-libxml-dir=/usr --with-xml --with-system-tzdata --without-mysql --without-gd --without-odbc --disable-dom --disable-dba --without-unixODBC --disable-pdo --disable-xmlreader --disable-xmlwriter

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• PHP PDO SQL Server Select statement not replacing question marks

  - by Metropolis

  Awhile ago I wrote a database class which uses PDO in order to connect to SQL Server databases and also to MySQL databases. It has always replaced the question marks fine when using it on the MySQL databases, but for the SQL Server database I had to create a work around which basically replaces the question marks manually. Here is the code for that. if($this->getPDODriver() == 'odbc' && !empty($values_a) && substr_count($query_s, "?") > 0) { $query_s = preg_replace(array_fill(0, substr_count($query_s, "?"), '/\?/'), $values_a, $query_s, 1); $values_a = NULL; } Now, I understand that this completely defeats the purpose of the question marks and PDO, but it has been working fine for me. What I would like to do now though, is find out why the question marks are not getting replaced in the first place, and remove this workaround. If I have a select statement like the following SELECT * FROM database WHERE value = ? That is what the query looks like when I go to prepare it, but when I display the query results, it is a blank array. Just remember, this class is working fine with MySQL, and it is working fine with the work around above. So I know it has something to do with the question marks.

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• ibm informix spatial datablade select statement error

  - by changed

  Hi I am using IBM informix spatial datablade module for some geo specific data. I am trying to find points in table xmlData lying in a specified region. But i am getting this error for select statement. SELECT sa.pre, sa.post FROM xmlData sa WHERE ST_Contains( ST_PolyFromText('polygon((2 2,6 2,6 6,2 6,2 2))',6),sa.point) Query: select count(*) as mycnt fromText('polygon((2 2,6 2,6 6,2 6,2 2))',6),sa.point) Error: -201 [Informix][Informix ODBC Driver][Informix]A syntax error has occurred. (SQLPrepare[-201] at /work/lwchan/workspace/OATPHPcompile/pdo_informix/pdo_informix/informix_driver.c:131) If any one can help me with this. CREATE TABLE xmlData (row_id integer NOT NULL, x integer, y integer, tagname varchar(40,1), point ST_POINT ); EXECUTE FUNCTION SE_CreateSRID(0, 0, 250000, 250000, "use the return value in next query last column"); INSERT INTO geometry_columns (f_table_catalog, f_table_schema, f_table_name, f_geometry_column, geometry_type, srid) VALUES ("mydatabase", -- database name "informix", -- user name "xmlData", -- table name "point", -- spatial column name 1, -- column type (1 = point) 6); -- srid //use value returned by above query. INSERT INTO xmlData VALUES ( 1, 20,20, 'country', ST_PointFromText('point (20 20)',6) ); INSERT INTO xmlData VALUES ( 1, 12,13, 'sunday', ST_PointFromText('point (12 13)',6) ); INSERT INTO xmlData VALUES ( 1, 21,22, 'monday', ST_PointFromText('point (21 22)',6) ); SELECT sa.pre, sa.post FROM xmlData sa WHERE ST_Contains( ST_PolyFromText('polygon((1 1,30 1,30 30,1 30,1 1))', 6),sa.point); I am using following query as reference "ibm link". SELECT name, type, zone FROM sensitive_areas WHERE SE_EnvelopesIntersect(zone, ST_PolyFromText('polygon((20000 20000,60000 20000,60000 60000,20000 60000,20000 20000))', 5));

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• Delphi, PGDac vs Zeos, Fetch, Lookup?

  - by durumdara

  Hi! I used Zeos to test to know: is ZTable uses fetch technics, or not? May in the future we migrate our lesser system to PGSQL, and this used now "Table" components (as BDE, but it have an SQL-like server). These tables use real cursors, a "Window" with N record, so lookup is very fast, because the Locate/Lookup is started on server, and only these N records are refreshed, no matter, how many records in the lookup table. PGSQL uses fetch technics as I know, and I tested it with a table (id int, name varchar(100)), and 1 million records. (I also trying this with mysql). The adapter is Zeos. ID, sec to find, allocated memory in bytes on client. MySQL 500000 2,761 113 196 344 1000000 3,214 225 471 232 313800 0,437 225 471 232 328066 0,468 225 471 232 276374 0,390 225 471 232 905984 1,264 225 471 232 260253 0,359 225 471 232 PGSQL 500000 3,042 113 188 184 1000000 3,744 225 463 064 313800 0,436 225 463 064 328066 0,452 225 463 064 276374 0,375 225 463 064 905984 1,295 225 463 064 260253 0,359 225 463 064 142023 0,203 225 463 064 As you see the records are fetched locally, this cause the 225 MB usage, and searches are slow a little, based where is the record we must find. I want to ask more things: a.) Is PGDAC have some technics to we can use the lookups without pay the fetch with memory and secs? b.) Or is PG ODBC driver can help in this problem with ADO? (As I know ADO can use server side cursors)? c.) Have anybody some experience with lookup tables, and performance? Is this critical question or it is not? (With client memory usage too). d.) If no chance to avoid fetch hell with lookups, what we can do? Server Side Joins, and unique code for Lookup field changing without real Lookup? Thanks for your help: dd

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• Which JavaScript framework for me?

  - by LeonixSolutions

  This is not to be a subjective question; nor is it intended to start a religious war. Which JavaScript framework for me? Until now, I haven't coded any JS at all (no biggy, it's just another language). I have been set in my ways and eschewed any client-side code, lest the user have JS turned off, or try to "just change this a little, to see what happens" - and then expect me to support it. So, until now it has all been server-side, with PHP and an ODBC compliant database. However, I am beginning to see advantages to client-side input validation and improved graphical experience for users which would help me to produce more professional web-based applications. I am looking for a framework which : doesn't have a steep learning curve is full-featured, although that does not mean that the one with the most features wins (remember the 80/20 rule) is mature an stable (even if still in development) integrates well with common IDEs if possible. I use NetBeans for PHP (and occasionally MS visual studio for C# (I seem to have drifted away from Eclipse)) allows me to develop web sites/apps for mobile devices support for Goggle charts (or other charting) would be a bonus has good AJAX/JSON support, but I imagine that they all do Taking that into consideration, is there a "right" framework for me, or does it not really matter? I looked briefly at JQuery and JQueryGui and liked what I saw, but I really don't have time, owing to deadlines, to try them all out and see which one suits me, much as I know that I ought to.

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• Binding a date string parameter in an MS Access PDO query

  - by harryg

  I've made a PDO database class which I use to run queries on an MS Access database. When querying using a date condition, as is common in SQL, dates are passed as a string. Access usually expects the date to be surrounded in hashes however. E.g. SELECT transactions.amount FROM transactions WHERE transactions.date = #2013-05-25#; If I where to run this query using PDO I might do the following. //instatiate pdo connection etc... resulting in a $db object $stmt = $db->prepare('SELECT transactions.amount FROM transactions WHERE transactions.date = #:mydate#;'); //prepare the query $stmt->bindValue('mydate', '2013-05-25', PDO::PARAM_STR); //bind the date as a string $stmt->execute(); //run it $result = $stmt->fetch(); //get the results As far as my understanding goes the statement that results from the above would look like this as binding a string results in it being surrounded by quotes: SELECT transactions.amount FROM transactions WHERE transactions.date = #'2013-05-25'#; This causes an error and prevents the statement from running. What's the best way to bind a date string in PDO without causing this error? I'm currently resorting to sprintf-ing the string which I'm sure is bad practise. Edit: if I pass the hash-surrounded date then I still get the error as below: Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[22018]: Invalid character value for cast specification: -3030 [Microsoft][ODBC Microsoft Access Driver] Data type mismatch in criteria expression. (SQLExecute[-3030] at ext\pdo_odbc\odbc_stmt.c:254)' in C:\xampp\htdocs\ips\php\classes.php:49 Stack trace: #0 C:\xampp\htdocs\ips\php\classes.php(49): PDOStatement-execute() #1 C:\xampp\htdocs\ips\php\classes.php(52): database-execute() #2 C:\xampp\htdocs\ips\try2.php(12): database-resultset() #3 {main} thrown in C:\xampp\htdocs\ips\php\classes.php on line 49

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• How to access SQL CE 3.5 from VB6

  - by Masterfu

  We have a .NET 3.5 SP1 application written in C# that stores data in an SQL CE 3.5 Database. We also need to access (read only) this very data from a legacy VB6 application. I don't know if this is at all possible. There are several approaches to this problem that I can think of. 1) I have read about ADOCE Connections, but this seems to be an option for embedded Visual Basic only 2) I can't seem to get a connection working using ADODB.Connection Objects like so Dim MyConnObj As New ADODB.Connection ' Microsoft.SQLSERVER.CE.OLEDB.3.5 ' Microsoft.SQLSERVER.MOBILE.OLEDB.3.0 MyConnObj.ConnectionString = "Provider=SQLOLEDB;Data Source=c:\test.sdf" MyConnObj.Open Maybe this is just a bad choice of providers? I also tried the providers that appear as comments above and different connection strings, but to no avail. Both providers are not installed on my dev machine and won't be installed on my customer's machine. 3) Maybe there is a way to use a more generic approach like ODBC? But I believe this would result in setup / deployment work, right? Does anyone have any experience with this scenario? As you can see, I am really looking for some good starting points. I also accept answers like "This is drop dead simple and so are you" as long as they come with some guiding directions ;-)

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• C#+BDE+DBF problem

  - by Drabuna

  I have huge problem: I have lots of .dbf files(~50000) and I need to import them into Oracle database. I open conncection like this: OleDbConnection oConn = new OleDbConnection(); OleDbCommand oCmd = new OleDbCommand(); oConn.ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + directory + ";Extended Properties=dBASE IV;User ID=Admin;Password="; oCmd.Connection = oConn; oCmd.CommandText = @"SELECT * FROM " + tablename; try { oConn.Open(); resultTable.Load(oCmd.ExecuteReader()); } catch (Exception ex) { MessageBox.Show(ex.Message); } oConn.Close(); oCmd.Dispose(); oConn.Dispose(); I read them in loop, and then insert into oracle. Everything's fine. BUT: There is about 1000 files, that I can't open. They raise exception "not a table". So I google, and install Borland Database Engine. Now everything wokrs fine....but no. Now, when I'm reading files, on 1024 file exception raises: "System resource exceeded". But I have lots of free resources. When I remove BDE, everything's fine again, no "system resource exceeded" error, but I cant read all files. Help please. PS: Tried using ODBC but nothing changes.

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• When connecting SAP Business One to SQL Server 2005, what is the

  - by Nick

  we have SAP Business One - Fourth Shift Edition running here at a small manufacturing company. The consulting company that has come in to do the installation/implementation uses the "sa" id/pass to initially connect to the database to get the list of companies. From then on, I have to assume that its the sa id/pass that is being used to connect the client software to the database. Is this appropriate? I dont know where this data is being stored... as an ODBC connection? directly in the registry somewhere? Is it secure? Would it be better to set the users network ID in the database security and then use the "trusted connection" setting instead? Or do most people create a separate login in the database for each user and use that in the client settings? seems like the easiest way would be to add the users network login to the sql server security so they can use the "trusted connection"... but then wouldn't that allow ANY software to connect to the database from that machine? So anyways: what are the best-practices for setting this up?

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• How do I fix a broken connection to DB2 from a web application?

  - by Eddie White

  I support some old web applications, VBScript-based ASP for the UI and VB6 COM modules for the business and data access layers. Last weekend, I installed DB2 Connect Enterprise Edition v8 fixpack 14 on several Windows 2000 servers, and one of the web apps errors out on null data when it calls the built in VBScript function FormatNumber. This numeric data is retrieved by a SQL Server query, but the only way the SQL Server column is populated is with the calculated results returned from a DB2 query earlier in a progression through several pages. When I installed DB2 Connect EE, one of the components loaded was MDAC 2.7. I followed corporate instructions and had the installation save an ODBC System Data Source, which reported a good connection when I tested it after the install. For what it's worth, the project references in the production VB6 modules pointed to MDAC 2.5. I have tried recompiling and deploying to COM on my test server new versions of the VB6 modules referencing MDAC 2.7. My development environment is Windows XP Pro, with MDAC 2.8 and DB2 Connect EE v9.5 installed. When I deployed the updated VB6 dlls, the CreateObject fails to instantiate the classes with the error message that "The class does not support automation or the requested interface". I've rolled the DB2 Connect install back and have reinstall v8 of the DB2 runtime client, which was the previous environment. The problem, however, persists.

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• Dumping an ADODB recordset to XML, then back to a recordset, then saving to the db

  - by Mark Biek

  I've created an XML file using the .Save() method of an ADODB recordset in the following manner. dim res dim objXML: Set objXML = Server.CreateObject("MSXML2.DOMDocument") 'This returns an ADODB recordset set res = ExecuteReader("SELECT * from some_table) With res Call .Save(objXML, 1) Call .Close() End With Set res = nothing Let's assume that the XML generated above then gets saved to a file. I'm able to read the XML back into a recordset like this: dim res : set res = Server.CreateObject("ADODB.recordset") res.open server.mappath("/admin/tbl_some_table.xml") And I can loop over the records without any problem. However what I really want to do is save all of the data in res to a table in a completely different database. We can assume that some_table already exists in this other database and has the exact same structure as the table I originally queried to make the XML. I started by creating a new recordset and using AddNew to add all of the rows from res to the new recordset dim outRes : set outRes = Server.CreateObject("ADODB.recordset") dim outConn : set outConn = Server.CreateObject("ADODB.Connection") dim testConnStr : testConnStr = "DRIVER={SQL Server};SERVER=dev-windows\sql2000;UID=myuser;PWD=mypass;DATABASE=Testing" outConn.open testConnStr outRes.activeconnection = outConn outRes.cursortype = adOpenDynamic outRes.locktype = adLockOptimistic outRes.source = "product_accessories" outRes.open while not res.eof outRes.addnew for i=0 to res.fields.count-1 outRes(res.fields(i).name) = res(res.fields(i).name) next outRes.movefirst res.movenext wend outRes.updatebatch But this bombs the first time I try to assign the value from res to outRes. Microsoft OLE DB Provider for ODBC Drivers error '80040e21' Multiple-step OLE DB operation generated errors. Check each OLE DB status value, if available. No work was done. Can someone tell me what I'm doing wrong or suggest a better way for me to copy the data loaded from XML to a different database?

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