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  • What is wrong with this code? [closed]

    - by rajesh
    function checkLength(obj,url){ //alert("URL="+url+" OBJ="+obj); if(obj) { var params = 'query='+obj; var myAjax = new Ajax.Request(url, { method: 'post', parameters: params, onComplete: loadResponse }); } } The code isn't working, but I don't know why. I think I need to include other files, but I don't know which

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  • Best database (mysql) structure for this case:

    - by robert
    we have three types of data (tables): Book (id,name,author...) ( about 3 million of rows) Category (id,name) ( about 2000 rows) Location (id,name) ( about 10000 rows) A Book must have at least 1 type of Category (up to 3) AND a Book must have only one Location. I need to correlate this data to get this query faster: Select Books where Category = 'cat_id' AND Location = 'loc_id' Select Books where match(name) against ('name of book') AND Location = 'loc_id' Please I need some help. Thanks

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  • How I can Optimize this mySQL transaction within java code?

    - by worldpython
    Dear All, I am new to MySql database. I've large table(ID,...). I select ID frequently with java code and.And that make a heavy load on transaction select from tableName where ID=someID notes: 1.Database could be 100,000 records 2.I can't cache result 3.ID is a primary key 4.I try to optimize time needed to return result from query. Any ideas for optimization ? thanks in advance

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  • Selecting and deselecting radio buttons

    - by Vivek Kalkur
    I am developing a quiz application which consists of a question and three options and I am using radio buttons for these options.My query is,I click on one of the options and whenever i want to click another option, the previous option remains in the checked state and it does the same whenever I click on the third option too. I need a solution where in it behaves as a natural radio button,only one option is checked at any point of time.

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  • Adding additional sorting attributes to array of records...then sorting!

    - by keruilin
    Let's say I run an ActiveRecord query and it returns 3 results, with a bunch of attributes. I want to add 3 attributes to each record in the Array so I can do sorting at a code-level. These 3 include: num_comments, num_views, last_view. How do I add these attributes? How do I then sort the records, in order of precendence, by num_comments AND by num_views AND by last_view?

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  • [mysql] having a number in

    - by Wiika
    Hi all, ID Name Hidden 1 Mika 1,4,2 2 Loca 0 3 Nosta 4 4 Like 2 can someone give me a query that will return as a result rows ID 1 & 3 something like this SELECT * FROM table WHERE Hidden HAVING(4) Thanks, I Appreciate

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  • passing LIMIT as parameters to MySQL sproc

    - by Kyle
    I'm creating a paging class and need to pass in two parameters to my MySQL stored procedure for the LIMIT clause. I'm passing them in as INTs and trying something like this SELECT * FROM `MyTable` LIMIT MyFirstParamInt, MySecondParamInt it gives me an error when I try and save the sproc though. Is there a way to do this that I'm just missing? Or am I going to have to EVAL the whole query and EXECUTE it?

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  • Can I write a test without any assert in it ?

    - by stratwine
    Hi, I'd like to know if it is "ok" to write a test without any "assert" in it. So the test would fail only when an exception / error has occured. Eg: like a test which has a simple select query, to ensure that the database configuration is right. So when I change some db-configuration, I re-run this test and check if the configuration is right. ? Thanks!

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  • Is it possible to use SQL XML to insert, and get output from each record?

    - by nbolton
    I would like to perform a SQL XML insert (on MSSQL), and in this case I need to insert a list of files into the DB (this is simple enough). However, there's an auto generated PK column (ID), and I need the ID for each newly created filename without performing a 2nd query. Is this possible? I guess it doesn't matter if the result is/isn't XML, but the input certainly has to be.

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  • Are parametrized calls/sanitization/escaping characters necessary for hashed password fields in SQL queries?

    - by Computerish
    When writing a login system for a website, it is standard to use some combination of parameterized calls, sanitizing the user input, and/or escaping special characters to prevent SQL injection attacks. Any good login system, however, should also hash (and possibly salt) every password before it goes into an SQL query, so is it still necessary to worry about SQL injection attacks in passwords? Doesn't a hash completely eliminate any possibility of an SQL injection attack on its own?

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  • SQL how to avoid duplicate insert in a table

    - by user1624531
    how to avoid duplicate insert in a table? I use below query to insert in to table: insert into RefundDetails(ID,StatusModified,RefundAmount,OrderNumber) select O.id,O.StatusModified,OI.RefundAmount,O.OrderNumber from Monsoon.dbo.[Order] as O WITH (NOLOCK) JOIN Monsoon.dbo.OrderItem as OI WITH (NOLOCK)on O.Id = OI.OrderId WHERE o.ID in (SELECT OrderID FROM Mon2QB.dbo.monQB_OrderActivityView WHERE ACTIVITYTYPE = 4 AND at BETWEEN '10/30/2012' AND '11/3/2012') AND (O.StatusModified < '11/3/2012')

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  • LINQ nested joins

    - by ace
    Im trying to convert a SQL join to LINQ. I need some help in getting the nested join working in LINQ. This is my SQL query, Ive cut it short just to show the nested join in SQL: LEFT OUTER JOIN dbo.TaskCommentRecipient RIGHT OUTER JOIN dbo.TaskComment ON dbo.TaskCommentRecipient.TaskCommentID = dbo.TaskComment.TaskCommentID ON dbo.Task.Taskid = dbo.TaskComment.TaskCommentTaskId

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  • Update Statement Updates 0 Rows via the C# Winform Application?

    - by peace
    First of all, please help me out! I can not take this anymore. I could not find where the error is located. Here is my problem: I'm trying to update a row via c# winform application. The update query generated from the application is formatted correctly. I tested it in the sql server environment, it worked well. When i run it from the application i get 0 rows updated. Here is the snippet that generates the update statement using reflection - don't try to figure it out. Carry on reading after the code portion: public void Update(int cusID) { SqlCommand objSqlCommand = new SqlCommand(); Customer cust = new Customer(); string SQL = null; try { if ((cusID != 0)) { foreach (PropertyInfo PropertyItem in this.GetType().GetProperties()) { if (!(PropertyItem.Name.ToString() == cust.PKName)) { if (PropertyItem.Name.ToString() != "TableName") { if (SQL == null) { SQL = PropertyItem.Name.ToString() + " = @" + PropertyItem.Name.ToString(); } else { SQL = SQL + ", " + PropertyItem.Name.ToString() + " = @" + PropertyItem.Name.ToString(); } } else { break; } } } objSqlCommand.CommandText = "UPDATE " + this.TableName + " SET " + SQL + " WHERE " + cust.PKName + " = @cusID AND PhoneNumber = " + "'" + "@phNum" + "'"; foreach (PropertyInfo PropertyItem in this.GetType().GetProperties()) { if (!(PropertyItem.Name.ToString() == cust.PKName)) { if (PropertyItem.Name.ToString() != "TableName") { objSqlCommand.Parameters.AddWithValue("@" + PropertyItem.Name.ToString(), PropertyItem.GetValue(this, null)); } else { break; } } } objSqlCommand.Parameters.AddWithValue("@cusID", cusID); objSqlCommand.Parameters.AddWithValue("@phNum", this.PhoneNumber); DAL.ExecuteSQL(objSqlCommand); } else { //AppEventLog.AddWarning("Primary Key is not provided for Update.") } } catch (Exception ex) { //AppEventLog.AddError(ex.Message.ToString) } } This part below: objSqlCommand.CommandText = "UPDATE " + this.TableName + " SET " + SQL + " WHERE " + cust.PKName + " = @cusID AND PhoneNumber = " + "'" + "@phNum" + "'"; generates dml: UPDATE CustomerPhone SET PhoneTypeID = @PhoneTypeID, PhoneNumber = @PhoneNumber WHERE CustomerID = @cusID AND PhoneNumber = '@phNum' @PhoneTypeID and @PhoneNumber are gotten from two properties. We assigned the value to these properties in the presentation layer from the user input text box. The portion below where fetches the values: objSqlCommand.Parameters.AddWithValue("@" + PropertyItem.Name.ToString(), PropertyItem.GetValue(this, null)); The code below fills the values of WHERE: objSqlCommand.Parameters.AddWithValue("@cusID", cusID); objSqlCommand.Parameters.AddWithValue("@phNum", this.PhoneNumber); The final code should look as: UPDATE CustomerPhone SET PhoneTypeID = 7, PhoneNumber = 999444 WHERE CustomerID = 500 AND PhoneNumber = '911'; Phone type id is 7 - user value that is taken from text box Phone number is 999444 - user value that is taken from text box The above final update statement works on the sql environment, but when running via the application, the execute non query runs ok and gets 0 rows updated! I wonder why?

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  • Check services at startup of SQL Server

    - by SQL DBA
    I am trying to check the state of services when SQL Server is started. I am using xp_cmdshell and 'sc query SQLServerAgent | FIND "STATE"' for example to load the output to a global temp table. It works when SQL Server has already started but does not work when the proc is set to autoexec, via sp_procoption.

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  • pagination - 10 pages per page

    - by arthur
    I have a pagination script that displays a list of all pages like so: prev [1][2][3][4][5][6][7][8][9][10][11][12][13][14] next But I would like to only show ten of the numbers at a time: prev [3][4][5][6][7][8][9][10][11][12] next How can I accomplish this? Here is my code so far: <?php /* Set current, prev and next page */ $page = (!isset($_GET['page']))? 1 : $_GET['page']; $prev = ($page - 1); $next = ($page + 1); /* Max results per page */ $max_results = 2; /* Calculate the offset */ $from = (($page * $max_results) - $max_results); /* Query the db for total results. You need to edit the sql to fit your needs */ $result = mysql_query("select title from topics"); $total_results = mysql_num_rows($result); $total_pages = ceil($total_results / $max_results); $pagination = ''; /* Create a PREV link if there is one */ if($page > 1) { $pagination .= '< a hr_ef="?page='.$prev.'">Previous</a> '; } /* Loop through the total pages */ for($i = 1; $i <= $total_pages; $i++) { if(($page) == $i) { $pagination .= $i; } else { $pagination .= '< a hr_ef="index.php?page='.$i.'">'.$i.'</a>'; } } /* Print NEXT link if there is one */ if($page < $total_pages) { $pagination .= '< a hr_ef="?page='.$next.'"> Next</a>'; } /* Now we have our pagination links in a variable($pagination) ready to print to the page. I pu it in a variable because you may want to show them at the top and bottom of the page */ /* Below is how you query the db for ONLY the results for the current page */ $result=mysql_query("select * from topics LIMIT $from, $max_results "); while ($i = mysql_fetch_array($result)) { echo $i['title'].'<br />'; } echo $pagination; ?>

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  • sample code for Dynamically populating dropdown in JSP

    - by Geethapriya.VC
    Hi, I have two dropdowns in my form. The first one Queries for a set of data and displays them. Based on the value selected in the first dropdown i have to query the database, using that selected value as a parameter and populate the second dropdown. In short, based on the first dropdown, second one has to be populated dynamically. Am coding in JSP. Please do help on this! Thanks, Geetha

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  • what is the wrong in the code ???

    - by rajesh
    function checkLength(obj,url){ //alert("URL="+url+" OBJ="+obj); if(obj) { var params = 'query='+obj; var myAjax = new Ajax.Request(url, { method: 'post', parameters: params, onComplete: loadResponse }); } } is nor working why i think there is requirement of include some files in it.which is that??/

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  • Sencha 2 -need help for cf json data (for eg:CFJSONReader )

    - by usershaf
    I am new to sencha , and using sencha 2 mvc. I have a cfc returned json data, which I want to use in my list views. I have read about CFJsonReader and CFQueryReader, but both have been scripted for EXt Js 3 x. I cant see an mvc proper code for sencha 2 anywhere else.I tried many times and all in vein.Please some help suggest me/help me to solve my problem ...My outpur is like : {"QUERY":{"COLUMNS":["CLIENTID"],"DATA":[[1013],[1010],[1016],[1017],[1013]]},"TOTALROWCOUNT":5} Please pls help me...

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  • What is the best approach using JDBC for parameterizing an IN clause?

    - by Uri
    Say that I have a query of the form SELECT * FROM MYTABLE WHERE MYCOL in (?) And I want to parameterize the arguments to in. Is there a straightforward way to do this in Java with JDBC, in a way that could work on multiple databases without modifying the SQL itself? The closest question I've found had to do with C#, I'm wondering if there is something different for Java/JDBC.

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  • oracle using index even though there is no filter criteeria specified

    - by Kaushik
    In this query: SELECT WTTEMPLATE.TEMPLATEuID, MAX (WTTRX.VALUEDATE) AS template_last_use_date FROM wttemplate, wttrx WHERE WTTEMPLATE.TEMPLATEID = WTTRX.TEMPLATEID(+) AND WTTEMPLATE.CUSTID = WTTRX.CUSTID GROUP BY WTTEMPLATE.TEMPLATEuID The explain plan shows:index fast full scan using indexes on WTTEMPLATE.TEMPLATEID and (WTTRX.TEMPLATEID,WTTRX.CUSTID). My question is this: I have not specified any filter criteria , so how can it use indexes? It should do full scan...right?

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  • .Net Linq - Join together all item of a List

    - by Melursus
    How can I write a Linq expression that select item from a List and join them together ? Example IList<string> data = new List<string>(); data.Add("MyData1"); data.Add("MyData2"); string result = //some linq query... I try data.Select(x => x + ","); //result = "MyData1, MyData2"

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  • Oracle multiset, collection and records

    - by Atul
    Can anybody Explain me why records are required. Can't we perform the same operation in pl/sql using loop and all. Also when multiset, records query can be used i.e. in which type of situation and which one will be the preference.

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