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  • How do I keep connection in object explorer

    - by dotnet-practitioner
    This is regarding SQL server 2008 management studio.. I connect to different environment DB and every time I launch the Sql management console, I have to sign up every time to get those connections back in object explorer. Is there a way I could persist the connection so I don't have to login every time to different environments?

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  • Using Entity Framework V4 - Mapping Stored Procedures with XML output

    - by ericwahner
    I have been attempting to implement the Entity framework into my project and unfortunately it seems like mapping an XML result set from SQL is not something that is supported. I also have issues with returning multiple result sets, though I understand that the EFExtensions was created to try to mitigate that issue. Is there a way to take a FOR XML EXPLICIT result from a SQL Stored Procedure and map it using the Entity Framework?

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  • Convert multiquery to a query using group by and so on

    - by ffffff
    -schema CREATE TABLE `ratings` ( `id` int(11) NOT NULL default '0', `rating` int(11) NOT NULL default '1', `rating_start` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`) ) TYPE=MyISAM -myprogram.php foreach($ids as $id){ $sql = "SELECT rating FROM ratings WHERE id = '$id' AND rating_start >= NOW()"; $sql .= "ORDER BY rating_start DESC LIMIT 1;" $ret = $db->execute($id); } Can I teke same date from a Query? by using id IN (".implode(",",$ids).") and GROUP BY id

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  • IIS 6.0 Server and Unicode Characters

    - by Srikanth
    We are performing a pen test on a simple asp application that uses MS SQL Database. It seems for the authentication they are using dynamic constructed queries but escaping single qoutes. When we use Unicode quotes like %uFFO7,%u02b9 etc we are able to successfully inject SQL injections. Want to understand is it more a kind of configuration issue of IIS server to cannonicalize Unicode characters or the way the validation function to escape single quotes is written is the cause of the problem?

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  • combining results of two select statements

    - by ErnieStings
    I'm using T-SQL with ASP.NET, and c# and i'm pretty new to SQL. I was wondering how i could combine the results of two queries Query1: SELECT tableA.Id, tableA.Name, [tableB].Username AS Owner, [tableB].ImageUrl, [tableB].CompanyImageUrl, COUNT(tableD.UserId) AS NumberOfUsers FROM tableD RIGHT OUTER JOIN [tableB] INNER JOIN tableA ON [tableB].Id = tableA.Owner ON tableD.tableAId = tableA.Id GROUP BY tableA.Name, [tableB].Username, [tableB].ImageUrl, [tableB].CompanyImageUrl Query2: SELECT tableA.Id, tableA.Name, COUNT([tableC].Id) AS NumberOfPlans FROM [tableC] RIGHT OUTER JOIN tableA ON [tableC].tableAId = tableA.Id GROUP BY tableA.Id, tableA.Name Any help would be much appreciated. Thanks in advance

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  • SQL commands generated in Django by running sqlall

    - by k-g-f
    In my Django app, I just ran $ python manage.py sqlall and I see a lot of SQL statements that look like this, when describing FK relationships: ALTER TABLE `app1_model1` ADD CONSTRAINT model2_id_refs_id_728de91f FOREIGN KEY (`model2_id`) REFERENCES `app1_model2` (`id`); Where does "7218de91f" come from? I would like to know because I'd like to manually write SQL statements to accompany models changes in the app so that my db's can be kept up to date.

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  • A Query to remove relationships that do not belong [closed]

    - by Segfault
    In a SQL Server 2008 R2 database, given this schema: AgentsAccounts _______________ AgentID int UNIQUE AccountID FinalAgents ___________ AgentID I need to create a query that does this: For each AgentID 'final' in FinalAgents remove all of the OTHER AgentID's from AgentsAccounts that have the same AccountID as 'final'. So if the tables have these rows before the query: AgentsAccounts AgentID AccountID 1 A 2 A 3 B 4 B FinalAgents 1 3 then after the query the AgentsAccounts table will look like this: AgentsAccounts AgentID AccountID 1 A 3 B What T-SQL query will delete the correct rows without using a curosr?

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  • Variable table or column names.

    - by Frank Computer
    INFORMIX-SQL or any other SQL-based DB: Suppose I have an app where depending on the value of some columns, example: company.code char(3) {abc} company.brach char(2) {01} Can I construct table name "abc01" for inclusion in SELECT * FROM abc01; ? In other words, a variable table name.. same question applies for column names.

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  • Getting Two items from Same table in SELECT statment

    - by mouthpiec
    Hi, I an SQL SELECT statement I need to extract the name of two teams, taking both teams from the same table. Eg Below SELECT sport_activity_id, (team A), (team B), date, time FROM sportactivity, teams WHERE competition_id_fk = 2 For (team A) and (team B) I have an team_id, which is a FK for the table 'teams' Is it possible to get the following result from these tables by SQL? 1, Barcelona, Arsenal, 01/01/2000, 20:00 the two table are the following: table sportactivity sport_activity_id, home_team_fk, away_team_fk, competition_id_fk, date, time (tuple example) - 1, 33, 41, 5, 2010-04-14, 05:40:00 table teams team_id, team_name (tuple example) - 1, Algeria

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  • How to get the sql query from a NHibernate save

    - by adriaanp
    I am trying to create a type of recorded data transaction that I can replay on a different database. For example I am capturing an order into a system, when I save that I want to be able to "export" a sql script that I can run on another database to create the same order. I am using NHibernate and I am trying to catch the sql query string for the save operation to save to a file, but with no success.

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  • How to determine whether a database has been changed or not ?

    - by Locksfree
    I have a need to determine if a database on a MS SQL Server has changed between two distinct moments. The change can be structural or data-related and the check should be generic (i.e. independant of the structure of the database). Preferably, I'd like the check to be T-SQL based or with SMOs, not file based. I checked on MSDN but I haven't found anything relevant so far.

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  • selecting number of rows from resultset

    - by sap
    Suppose a query "select * from employee" returns 80 rows. I need to display middle rows that is from 20th row to 50th row. I know, like to display first 20 rows we have option like "select top 20 * from employee" but if we need middle rows how to get it in MS SQL specifically. I m new to this SQL queries...Can anybody answer to this question.

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  • Is it faster to compute values in a query, call a Scalar Function (decimal(28,2) datatype) 4 times,

    - by Pulsehead
    I have a handful of queries I need to write in SQL Server 2005. Each Query will be calculating 4 unit cost values based on a handful of (up to 11) fields. Any time I want 1 of these 4 unit cost values, I'll want all 4. Which is quicker? Computing in the SQL Query ((a+b+c+d+e+f+g+h+i)/(j+k)), calling ComputeScalarUnitCost(datapoint.ID) 4 times, or joining to ComputeUnitCostTable(datapoint.ID) one time?

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  • how to pass parameters to sql query

    - by Shiny
    Im using Sql compact server.I created table with varchar datas.But i select a particular column member to be an identity.im programming in c#. I want pass the query. how can i achieve this? Im new to this sql compact,

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  • Can't create/write to file (Errcode: 22)

    - by magdmartin
    Quite new with SQL I'm looking to export some data from a MySQL database into a csv file. I'm working locally (localhost). Here is my SQL statement: SELECT DISTINCT * INTO OUTFILE 'C:\Users\Martin\Downloads\result.csv' FROM provider, location, provider_has_location WHERE provider.idprovider = provider_has_location.provider_idprovider AND location.idLocation = provider_has_location.location_idLocation LIMIT 20 MySQL return the following error: Can't create/write to file 'C:UsersMartinDownloads esult.csv' (Errcode: 22) Thanks for your help.

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  • WSUS 3.0 SP2 installation fails at "configuring database" step.

    - by flashkube
    Attempting to install WSUS 3.0 SP2 on a Windows Server 2003 Enterprise system. I'm asking the setup to create a new database on one of our existing SQL Server 2005 systems. When the setup gets to the "configuring database" step it stops and throws "There is a problem with this Windows Installer package. A program run as part of the setup did not finish as expected. Contact your support personnel or package vendor." The two logs it suggests I look at are below. I'm not seeing any errors that mean anything to me. Any direction you can give will be greatly appreciated. WSUSSetup.log: 2009-12-04 15:26:21 Success MWUSSetup Validating pre-requisites... 2009-12-04 15:26:22 Error MWUSSetup Failed to determine if an higher version of WSUS is installed. Assuming it is not... (Error 0x80070002: The system cannot find the file specified.) 2009-12-04 15:26:28 Success MWUSSetup No SQL instances found 2009-12-04 15:26:42 Success MWUSSetup Initializing installation details 2009-12-04 15:26:42 Success MWUSSetup Installing ASP.Net 2009-12-04 15:27:24 Success MWUSSetup ASP.Net is installed successfully 2009-12-04 15:27:24 Success MWUSSetup Installing WSUS... 2009-12-04 15:27:28 Success CustomActions.Dll Unable to get INSTALL_LANGUAGE property, calculating it... 2009-12-04 15:27:28 Success CustomActions.Dll Successfully set propery of WSUS admin groups' full names 2009-12-04 15:27:29 Success CustomActions.Dll .Net framework path: C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727 2009-12-04 15:27:33 Success CustomActions.Dll Creating user group: WSUS Reporters with Description: WSUS Administrators who can only run reports on the Windows Server Update Services server. 2009-12-04 15:27:33 Success CustomActions.Dll Creating WSUS Reporters user group 2009-12-04 15:27:33 Success CustomActions.Dll WSUS Reporters user group already exists 2009-12-04 15:27:33 Success CustomActions.Dll Successfully created WSUS Reporters user group 2009-12-04 15:27:33 Success CustomActions.Dll Creating user group: WSUS Administrators with Description: WSUS Administrators can administer the Windows Server Update Services server. 2009-12-04 15:27:33 Success CustomActions.Dll Creating WSUS Administrators user group 2009-12-04 15:27:33 Success CustomActions.Dll WSUS Administrators user group already exists 2009-12-04 15:27:33 Success CustomActions.Dll Successfully created WSUS Administrators user group 2009-12-04 15:27:33 Success CustomActions.Dll Successfully created WSUS user groups 2009-12-04 15:27:33 Success CustomActions.Dll Succesfully set binary SID property 2009-12-04 15:27:33 Success CustomActions.Dll Succesfully set binary SID property 2009-12-04 15:27:33 Success CustomActions.Dll Successfully set binary SID properties 2009-12-04 15:28:50 Error MWUSSetup InstallWsus: MWUS Installation Failed (Error 0x80070643: Fatal error during installation.) 2009-12-04 15:28:50 Error MWUSSetup CInstallDriver::PerformSetup: WSUS installation failed (Error 0x80070643: Fatal error during installation.) 2009-12-04 15:28:50 Error MWUSSetup CSetupDriver::LaunchSetup: Setup failed (Error 0x80070643: Fatal error during installation.) From the end of WSUSSetupmsi_091204_1527.log MSI (s) (58:7C) [15:28:49:860]: Note: 1: 1708 MSI (s) (58:7C) [15:28:49:860]: Product: Windows Server Update Services 3.0 SP2 -- Installation failed. MSI (s) (58:7C) [15:28:49:875]: Cleaning up uninstalled install packages, if any exist MSI (s) (58:7C) [15:28:49:875]: MainEngineThread is returning 1603 MSI (s) (58:78) [15:28:49:985]: Destroying RemoteAPI object. MSI (s) (58:90) [15:28:49:985]: Custom Action Manager thread ending. === Logging stopped: 12/4/2009 15:28:49 === MSI (c) (30:54) [15:28:50:016]: Decrementing counter to disable shutdown. If counter = 0, shutdown will be denied. Counter after decrement: -1 MSI (c) (30:54) [15:28:50:016]: MainEngineThread is returning 1603 === Verbose logging stopped: 12/4/2009 15:28:50 ===

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  • Slow INFORMATION_SCHEMA query

    - by Thomas
    We have a .NET Windows application that runs the following query on login to get some information about the database: SELECT t.TABLE_NAME, ISNULL(pk_ccu.COLUMN_NAME,'') PK, ISNULL(fk_ccu.COLUMN_NAME,'') FK FROM INFORMATION_SCHEMA.TABLES t LEFT JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS pk_tc ON pk_tc.TABLE_NAME = t.TABLE_NAME AND pk_tc.CONSTRAINT_TYPE = 'PRIMARY KEY' LEFT JOIN INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE pk_ccu ON pk_ccu.CONSTRAINT_NAME = pk_tc.CONSTRAINT_NAME LEFT JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS fk_tc ON fk_tc.TABLE_NAME = t.TABLE_NAME AND fk_tc.CONSTRAINT_TYPE = 'FOREIGN KEY' LEFT JOIN INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE fk_ccu ON fk_ccu.CONSTRAINT_NAME = fk_tc.CONSTRAINT_NAME Usually this runs in a couple seconds, but on one server running SQL Server 2000, it is taking over four minutes to run. I ran it with the execution plan enabled, and the results are huge, but this part caught my eye (it won't let me post an image): http://img35.imageshack.us/i/plank.png/ I then updated the statistics on all of the tables that were mentioned in the execution plan: update statistics sysobjects update statistics syscolumns update statistics systypes update statistics master..spt_values update statistics sysreferences But that didn't help. The index tuning wizard doesn't help either, because it doesn't let me select system tables. There is nothing else running on this server, so nothing else could be slowing it down. What else can I do to diagnose or fix the problem on that server?

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  • How to make a huge ram drive?

    - by Brandon Moore
    At my old job when a report was needed I could sit down with someone and pull up results and get immediate feedback, and then refine my queries and ultimately have the data we needed, in the format we needed within 30-90 minutes. I just started working for a new company with a database containing millions of records and I spent my whole 8 hours making a report that I feel I could have made in less than 2 hours if it were not for the massive amount of data the queries are working with, and the fact that I couldn't ask the person needing the data to sit down with me and give me feedback as I pulled up results as I am used to. So I am trying to think of how we can make the server faster... much faster, so that I can have the same level of productivity I'm used to. One thought that just came to mind is that memory is so cheap these days, and by my calculations I could buy 10 8gig ram sticks for 1000 bucks. What I have never heard of though is a device that would let me combine these into a huge ram drive. So I'd like to know if any such device exists, and if not what is the largest ram drive I could realistically make and how would I go about doing so? EDIT: To you guys who are saying the database shema needs to be analyzed... you can't make a query such as "Select f1, f2, f3, etc from SomeTable" run any faster by normalizing or indexing the table. What I'm talking about IS ABSOLUTELY a need for improved performance at the hardware level. I am used to having results come back to me in a few seconds, not a few minutes or much less a half an hour. Maybe that's what you guys are used to who have 100 billion record tables and you feel like that's fast, but I'm looking for results back from tables with about 10 million records to come back to me withing less than half a minute TOPS.

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  • How do I deal with a third party application that has embedded hints that result in a sub-optimal execution plan in my environment?

    - by Maria Colgan
    I have gotten many variations on this question recently as folks begin to upgrade to Oracle Database 11g and there have been several posts on this blog and on others describing how to use SQL Plan Management (SPM) so that a non-hinted SQL statement can use a plan generated with hints. But what if the hint is supplied in the third party application and is causing performance regressions on your system? You can actually use a very similar technique to the ones shown before but this time capture the un-hinted plan and have the hinted SQL statement use that plan instead. Below is an example that demonstrates the necessary steps. 1. We will begin by running the hinted statement 2. After examining the execution plan we can see it is suboptimal because of a bad join order. 3. In order to use SPM to correct the problem we must create a SQL plan baseline for the statement. In order to create a baseline we will need the SQL_ID for the hinted statement. Easy place to get it is in V$SQL. 4. A SQL plan baseline can be created using a SQL_ID and DBMS_SPM.LOAD_PLANS_FROM_CURSOR_CACHE. This will capture the existing plan for this SQL_ID from the shared pool and store in the SQL plan baseline. 5. We can check the SQL plan baseline got created successfully by querying DBA_SQL_PLAN_BASELINES. 6. When you manually create a SQL plan baseline the first plan added is automatically accepted and enabled. We know that the hinted plan is poorly performing plan so we will disable it using DBMS_SPM.ALTER_SQL_PLAN_BASELINE. Disabling the plan tells the optimizer that this plan not a good plan, however since there is no alternative plan at this point the optimizer will still continue to use this plan until we provide a better one. 7. Now let's run the statement without the hint. 8. Looking at the execution plan we can see that the join order is different. The plan without the hint also has a lower cost (3X lower), which indicates it should perform better. 9. In order to map the un-hinted plan to the hinted SQL statement we need to add the plan to the SQL plan baseline for the hinted statement. We can do this using DBMS_SPM.LOAD_PLANS_FROM_CURSOR_CACHE but we will need the SQL_ID and  PLAN_HASH_VALUE for the non-hinted statement, which we can find in V$SQL. 10. Now we can add the non-hinted plan to the SQL plan baseline of the hinted SQL statement using DBMS_SPM.LOAD_PLANS_FROM_CURSOR_CACHE. This time we need to pass a few more arguments. We will use the SQL_ID and PLAN_HASH_VALUE of the non-hinted statement but the SQL_HANDLE of the hinted statement. 11. The SQL plan baseline for our statement now has two plans. But only the newly added plan (SQL_PLAN_gbpcg3f67pc788a6d8911) is enabled and accepted. This tells the Optimizer that this is the plan it should use for this statement. We can confirm that the correct plan (non-hinted) will be selected for the statement from now on by re-executing the hinted statement and checking its execution plan.

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  • Why is Excel 2010/2013 taking 10 seconds open any file?

    - by jbkly
    I have a fast Windows 7 PC with two SSDs and 16GB of RAM, so I'm used to programs loading very fast. But recently, for no reason I can figure out, Excel has started taking way too long to open Excel files (of any size--even blank files). This is occurring with Excel 2010 and with Excel 2013 after I upgraded, hoping to solve the problem. Here a couple scenarios: If I start Excel directly, it opens almost instantly. No problem there. If I start Excel directly, and then open any Excel file (.xls or .xlsx), it loads almost instantly. Still no problem BUT if I attempt to open any Excel file directly, with Excel not running, it consistently takes 10-11 seconds for Excel to start. I get no error messages, just a spinning cursor for 10-11 seconds, and then the file opens. During the delay while Excel is trying to start, I'm not really seeing any discernible spike in CPU or memory usage, other than explorer.exe. This problem is only occurring with Excel, not Word or any other program I'm aware of. I've searched around quite a bit on this question and found various others who have experienced it, but the solutions that worked for them are not working for me. For a few people it was a problem with scanning network drives, but my problem is purely with local files; I have no network drives, and the problem persists even with all network connections disabled. Some people suggested worksheets with corrupted formulas or links, but I'm experiencing this with ANY Excel file: even blank worksheets. Others thought it was a problem with add-ins, but I have all Excel add-ins disabled (as far as I can tell). One person solved it by disabling a "clipboard manager" process that was running in the background, but I don't have that. I've disabled as many startup and background processes as I can, but the problem persists. I've run malware scans, disk cleanup, CCleaner, and installed Excel 2013. I've deleted temporary files, enabled SuperFetch, and edited registry keys. Still can't get rid of the problem. Any ideas? My system details: Windows 7 Professional SP1 64-bit, Excel 2013 32-bit, 16GB RAM, all programs installed on SSD.

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  • Windows 7: Some time my mouse got "virtually" unplugged and plugged again in some seconds.

    - by yes123
    So guys, sometime when i am browsing or doing other stuff it's like windows unplugs my usb-logitech-mouse. it than get riconnected again in few seconds. I tihnk this is happening after I had to install virtual machines (like: virtualbox and vmware) I already disinstalled them but this issue is still here. When this happens even the lights on my mouse are off same behaviour as like somone unplagged it. What could i do?

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