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• How do I insert records into 2 SQL tables sharing a dependency when I don't commit until the end?

  - by Cunning Lingus

  I keep finding myself in this situtation: I have an ASP.NEt 2.0 app. I have to insert into 2 tables in SQL. There is a dependency between the tables. I insert a record the first using a transaction. Then I move onto the 2nd table. But, because the first isn't committed yet the second one throws a error.

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• What SQL query should I perform to get the result set expected?

  - by texai

  What SQL query should I perform to get the result set expected, giving the first element of the chain (2) as input data, or any of them ? table name: changes +----+---------------+---------------+ | id | new_record_id | old_record_id | +----+---------------+---------------+ | 1| 4| 2| | -- non relevant data -- | | 6| 7| 4| | -- non relevant data -- | | 11| 13| 7| | 12| 14| 13| | -- non relevant data -- | | 31| 20| 14| +----+---------------+---------------+ Result set expected: +--+ | 2| | 4| | 7| |13| |14| |20| +--+ I know I should consider change my data model, but: What if I couldn't? Thank you in advance!

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• How to distinguish between the first and rest for duplicate records using sql ?

  - by Biswanath

  Hi, These are the input table and required output table. Input table ID Name ------------- 1 aaa 1 ababaa 2 bbbbbb 2 bcbcbccbc 2 bcdbcdbbbbb 3 ccccc Output table ID Name Ord ----------------------------- 1 aaa first 1 ababaa rest 2 bbbbbb first 2 bcbcbccbc rest 2 bcdbcdbbbbb rest 3 ccccc first First and Rest is based on the occurrence of an ID field. Is there a way to write a SQL query to achieve this ? P.S. - This question is somewhat similar to what I am looking for.

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• Any DAL generators that will work on .NET 1.1 with SQL CE 3.1?

  - by Schneider

  Are there any DAL generators or ORMs that will work on .NET 1.1 with SQL CE 3.1? This is only for a short lived project, so cost would be an issue

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• SQL Exception: A truncation error was encountered trying to shrink VARCHAR '...' to length x

  - by Tom Brito

  I know really little about sql, can anyone give me a deeper explanation (or references) of what do this exception means? Possible related question: http://stackoverflow.com/questions/1016901/truncate-a-varchar-to-specific-length-in-derby-automatically

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• PHP: How do I find (Oracle) parameters in a SQL query?

  - by Bartb

  Suppose you have a string: "SELECT * FROM TABLE WHERE column1 = :var1 AND column2 = :var2" Now, how do I get an array with all the variables like so: Array ( [0] => :var1 [1] => :var2 ) I've tried it with PHP's preg_match_all, but I struggle with the regex. $varcount = preg_match_all("/ :.+ /", $sql, $out);

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• How to write or append to text file using sql?

  - by aron

  Hello, in short i need to convert following C# code into SQL stored procedure foreach (var e in Entity) { if (File.Exists(e.Filename)) File.AppendAllText(e.Filename,e.Content); else File.WriteAllText(e.Filename, e.Content); }

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• Do I need to translate (local) in a sql server connection string?

  - by DanDan

  When connecting to sql server, I have the hardcoded string "(local)". Is this a string I need to make available for localisation? ie, does (local) always work no matter the current language settings?

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• How can I return a substring of a LINESTRING in SQL Server 2008 Spatial?

  - by sabbour

  Say I have a LINESTRING defined as LINESTRING(-122.360 47.656, -122.343 47.656, -122.310 47.690, -122.310 47.670, -122.300 47.630) And I want to get a substring from POINT(-122.360 47.656) to POINT(-122.310 47.690) How can I return a substring of a LINESTRING in SQL Server 2008 Spatial?

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• How can this SQL be wrong? What am I not seeing?

  - by ropstah

  Can anybody please spot my error, this should be a legal query in SQL shouldn't it?? Unknown column u.usr_auto_key in the ON clause This is the database schema: User: (usr_auto_key, name, etc...) Setting: (set_auto_key, name etc..) User_Setting: (usr_auto_key, set_auto_key, value) And this is the query... SELECT `u`.`usr_auto_key` AS `u__usr_auto_key`, `s`.`set_auto_key` AS `s__set_auto_key`, `u2`.`usr_auto_key` AS `u2__usr_auto_key`, `u2`.`set_auto_key` AS `u2__set_auto_key`, `u2`.`value` AS `u2__value` FROM `User` `u`, `Setting` `s` LEFT JOIN `User_Setting` `u2` ON `u`.`usr_auto_key` = `u2`.`usr_auto_key` WHERE (`s`.`sct_auto_key` = 1 AND `u`.`usr_auto_key` = 1 AND admin_property is null)

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• Is there any SQL Server database designer software like MySQL workbench?

  - by newbie

  I need to design database for SQL Server, is there any MySQL workbench like software for that? I have access to MSDN, so it can also be commercial product that can be found form MSDN.

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• In SQL Server, how can I separate a large number of tsql statement into batches?

  - by Yousui

  Hi guys, In SQL Server, how can I separate a large number of tsql statement into batches? Should I use the GO statement in stored procedures or functions? Should I use the GO statement in explicit transaction management situation(between BEGIN TRANSACTION and ROLLBACK TRANSACTION or COMMIT TRANSACTION)? Are there some best practice about this topic? Great thanks in advance.

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• In SQL Server 2008 is there a way to generate a report as to how much space on disk each table takes

  - by Matt

  IN SQL Server 2008 is there a way to generate a report as to how much space on disk each table takes? I can do it one by one by checking the storage properties, but I was wondering if there was a way, maybe even a query to generate such a report.

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• What is the easiest way to add a bunch of content to a SQL database?

  - by Trip

  Nothing technical here. Suppose I have a lot of different categorized data, and I would like to create a database out of it. Would someone literally hand plug in all that info with SQL code itself? Or do some people make a mock website just to input data? What are some of your strategies?

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• How can I set default seed for all identities within a SQL Server database?

  - by Brandon DuRette

  Is there a way to tell SQL server to use specific default seed value for IDENTITY columns - assuming the (to be run) CREATE TABLE statements do not specify one? I don't really care about altering existing data or altering the seed values for specific IDENTITY columns. I want the same seed for all newly created identity columns. Assume I cannot modify the individual CREATE TABLE statements in any way.

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• Is there a way to have SQL server validate object references in Stored Procs?

  - by Scott Weinstein

  The following code executes fine in SQL Server create proc IamBrokenAndDontKnowIt as select * from tablewhichdoesnotexist Of course if I try to run it, it fails with Invalid object name 'tablewhichdoesnotexist'. Is there any way to compile or verify that Stored Proc are valid?

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• How can I create dates/times and compare them in SQL?

  - by William

  I'm trying to create a BBS using PHP and SQL, and I want to make it so the topic with the most current post is on top of the topic list. what is a easy way to check if one date and time is more current than another?

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• How can upload image URL in SQL server and retrieve in grid view using ASP.NET?

  - by kalaiselvi

  How to upload image URL in SQL server and retrieve in grid view using ASP.NET? Can you point me to any tutorials and/or sample code?

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• How to create view from more than one table in MS Sql Server database?

  - by GK

  I have to create a view from more than one table in MS Sql Server database, but i am not able to get the correct syntax for the same. need help. thanks.

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• How to check results of LINQ to SQL query?

  - by rem

  In a WPF app I'd like to check if a return of a LINQ to SQL query contains some records, but my approach doesn't work: TdbDataContext context = new TdbDataContext(); var sh = from p in context.Items where p.Selected == true select p; if (sh == null) { MessageBox.Show("There are no Selected Items"); } Where am I wrong?

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• How to check if a Constraint exists in Sql server?

  - by Lieven Cardoen

  I have this sql: ALTER TABLE dbo.ChannelPlayerSkins DROP CONSTRAINT FK_ChannelPlayerSkins_Channels but apparently, on some other databases we use, the constraint has a different name. How do I check if there's a constraint with the name FK_ChannelPlayerSkins_Channels.

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• Ways I can protect my site excluding XSS and Sql injection?

  - by Tom

  Hi,So, members of my website can post topics, replies, comments, edit them and so on. I always use htmlspecialchars and addslashes for html inputs to protect my site against XSS and SQL injection attacks. Is it enough or is there something more I miss? Thanks.

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• What is the difference between tinyint, mediumint, bingint and int in sql?

  - by Sein Kraft

  What is the difference between tinyint, mediumint, bingint and int in sql? In which case are used?

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• How to get total number of hours between two dates in sql server?

  - by Pandiya Chendur

  Consider two dates 2010-03-18 22:30 and 2010-03-19 03:30 .... How to get the number of hours in between the two dates in sql server.....

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• In SQL Server 2005, how can I use database_b, do something, then use the old db database_a in TSQL?

  - by Yousui

  Hi guys, In SQL Server 2005, how can I use database_b, do something, then use the old db database_a in TSQL? The following is my code but there is some problem with it. Who can help me to identity the problem? Great thanks. DECLARE @old_database_name VARCHAR(200) SET @old_database_name = db_name() use mydatabase create table t1(id int identity(1,1)) use @old_database_name

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