Error Handling Sqlserver
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Errors in SQL Server 2012 03 January 2013Handling Errors in SQL Server 2012The error handling of SQL Server has always been somewhat mysterious. Now at error handling sql server 2000 last, the THROW statement has been included in SQL Server 2012 that, combined error handling sql server 2012 with the TRY ... CATCH block, makes error handling far easier. Robert Sheldon explains all. 194 14 Robert Sheldon Since sql stored procedure try catch the release of SQL Server 2005, you've been able to handle errors in your T-SQL code by including a TRY…CATCH block that controls the flow of your script should an error occur, similar https://technet.microsoft.com/en-us/library/aa175920(v=sql.80).aspx to how procedural languages have traditionally handled errors. The TRY…CATCH block makes it easy to return or audit error-related data, as well as take other actions. And within the block-specifically, the CATCH portion-you've been able to include a RAISERROR statement in order to re-throw error-related data to the calling application. However, with the release of SQL Server 2012, you now have a replacement for RAISERROR, the https://www.simple-talk.com/sql/database-administration/handling-errors-in-sql-server-2012/ THROW statement, which makes it easier than ever to capture the error-related data. In this article, we'll look at the TRY…CATCH block used with both the RAISERROR and THROW statements. The examples are based on a table I created in the AdventureWorks2012 sample database, on a local instance of SQL Server 2012. Listing 1 shows the T-SQL script I used to create the LastYearSales table. 123456789101112131415161718 USE AdventureWorks2012;GOIF OBJECT_ID('LastYearSales', 'U') IS NOT NULLDROP TABLE LastYearSales;GOSELECTBusinessEntityID AS SalesPersonID,FirstName + ' ' + LastName AS FullName,SalesLastYearINTOLastYearSalesFROMSales.vSalesPersonWHERESalesLastYear > 0;GO Listing 1: Creating the LastYearSales table The script should be fairly straightforward. I use a SELECT…INTO statement to retrieve data from the Sales.vSalesPerson view and insert it into the newly created table. However, to demonstrate how to handle errors, we need to add one more element to our table: a check constraint that ensures the SalesLastYear value is never less than zero. Listing 2 shows the ALTERTABLE statement I used to add the constraint. 123 ALTER TABLE LastYearSalesADD CONSTRAINT ckSalesTotal CHECK (SalesLastYear >= 0);GO Listing 2: Adding a check constraint to the LastYearSales table The constraint makes it easy to generate an error when updating the table. All I h
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of http://stackoverflow.com/questions/11141814/bad-practice-to-use-sql-servers-goto-for-error-handling this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask http://www.codeproject.com/Articles/38650/Overview-of-Error-Handling-in-SQL-Server Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up error handling Bad practice to use SQL Server's GOTO for error handling? up vote 6 down vote favorite I was reading about error handling in SQL Server in this article, and they suggest using SQL Server's GOTO in certain situations to roll back the transaction. Example: BEGIN TRAN UPDATE Authors SET Phone = '415 354-9866' WHERE au_id = '724-80-9391' SELECT @intErrorCode = @@ERROR IF (@intErrorCode error handling sql <> 0) GOTO PROBLEM UPDATE Publishers SET city = 'Calcutta', country = 'India' WHERE pub_id = '9999' SELECT @intErrorCode = @@ERROR IF (@intErrorCode <> 0) GOTO PROBLEM COMMIT TRAN PROBLEM: IF (@intErrorCode <> 0) BEGIN PRINT 'Unexpected error occurred!' ROLLBACK TRAN END This article was written nearly 10 years ago and I've heard that it's usually a bad idea to use GOTO. Is the above an ok method for error handling in SQL Server? If not, can anyone suggest a better alternative? sql sql-server error-handling goto share|improve this question asked Jun 21 '12 at 15:44 Abe Miessler 43.8k42187332 Did you check this answer? –Helper Jun 24 '12 at 5:01 add a comment| 2 Answers 2 active oldest votes up vote 13 down vote accepted You should be using Try/Catch in SQL 2005+ BEGIN TRY BEGIN TRAN UPDATE Authors SET Phone = '415 354-9866' WHERE au_id = '724-80-9391' UPDATE Publishers SET city = 'Calcutta', country = 'India' WHERE pub_id = '9999' COMMIT TRAN END TRY BEGIN CATCH PRINT 'Unexpected error occurred!' IF XACT_STATE() <> 0 ROLLBACK TRAN END CATCH share|improve this answer edited Jun 22 '12
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