Print Error Message In Sql Server 2005
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Try Catch In Sql Server Stored Procedure
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Control-of-Flow Language (Transact-SQL) TRY...CATCH (Transact-SQL) TRY...CATCH (Transact-SQL) TRY...CATCH (Transact-SQL) BEGIN...END (Transact-SQL) BREAK (Transact-SQL) CONTINUE (Transact-SQL) ELSE (IF...ELSE) (Transact-SQL) END (BEGIN...END) (Transact-SQL) GOTO (Transact-SQL) IF...ELSE (Transact-SQL) RETURN (Transact-SQL) THROW (Transact-SQL) TRY...CATCH (Transact-SQL) https://technet.microsoft.com/en-us/library/ms179296(v=sql.105).aspx WAITFOR (Transact-SQL) WHILE (Transact-SQL) TOC Collapse the table of content Expand the table of content This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. TRY...CATCH (Transact-SQL) Other Versions SQL Server 2012 THIS TOPIC APPLIES TO: SQL Server (starting with 2008)Azure SQL DatabaseAzure SQL Data Warehouse Parallel Data Warehouse Implements error handling for Transact-SQL that https://msdn.microsoft.com/en-us/library/ms175976.aspx is similar to the exception handling in the Microsoft Visual C# and Microsoft Visual C++ languages. A group of Transact-SQL statements can be enclosed in a TRY block. If an error occurs in the TRY block, control is passed to another group of statements that is enclosed in a CATCH block. Transact-SQL Syntax ConventionsSyntax Copy -- Syntax for SQL Server, Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse BEGIN TRY { sql_statement | statement_block } END TRY BEGIN CATCH [ { sql_statement | statement_block } ] END CATCH [ ; ] Argumentssql_statement Is any Transact-SQL statement.statement_block Any group of Transact-SQL statements in a batch or enclosed in a BEGIN…END block.RemarksA TRY…CATCH construct catches all execution errors that have a severity higher than 10 that do not close the database connection.A TRY block must be immediately followed by an associated CATCH block. Including any other statements between the END TRY and BEGIN CATCH statements generates a syntax error.A TRY…CATCH construct cannot span multiple batches. A TRY…CATCH construct cannot span multiple blocks of Transact-SQL statements. For example, a TRY…CATCH construct cannot span two BEGIN…END blocks of Transact-SQL statements and
United States Australia United Kingdom Japan Newsletters Forums Resource Library Tech Pro Free Trial Membership Membership My Profile People Subscriptions My stuff Preferences Send a message Log Out TechRepublic Search GO Topics: CXO Cloud Big Data Security http://www.techrepublic.com/blog/the-enterprise-cloud/define-custom-error-messages-in-sql-server-2005/ Innovation Software Data Centers Networking Startups Tech & Work All Topics Sections: Photos Videos All Writers Newsletters Forums Resource Library Tech Pro Free Trial Editions: US United States Australia United Kingdom Japan Membership Membership My http://codebetter.com/raymondlewallen/2005/01/20/exception-handling-in-sql-server-2005/ Profile People Subscriptions My stuff Preferences Send a message Log Out Data Management Define custom error messages in SQL Server 2005 By defining custom error messages in SQL Server 2005, you can use the severity sql server of these messages to illicit certain types of behavior from the database engine. Tim Chapman provides ideas on how to use custom error messages in your shop. By Tim Chapman | in The Enterprise Cloud, June 29, 2008, 11:00 PM PST RSS Comments Facebook Linkedin Twitter More Email Print Reddit Delicious Digg Pinterest Stumbleupon Google Plus SQL Server 2005 offers a robust set of tools for handling errors. For instance, the in sql server TRY...CATCH construct gives you access to much more detailed error information than you could get in previous versions of SQL Server. If you want to add even more flexibility to your toolkit, I suggest using custom error messages. Custom error messages allow you to design: business-specific messages, the routines to handle these scenarios, and the advanced logging techniques for error review. Each custom error message has a severity assignment, which determines how important the error is and identifies how it should be handled. Some error messages are simply informational and are not even captured by error handling. Other error messages are very severe and immediately kill the process on which the statement was executed. Defining custom error messages To define a custom error message in SQL Server 2005, you can use the stored procedure sp_addmessage, which adds a record to the sys.messages system view. To execute this stored procedure, you need to provide an error number (which will start above 50000 for user-defined messages), a severity level, and the error message. (MSDN provides a detailed explanation of SQL Server error severity levels.) Below is a sample code snippet that defines three types of custom error messages. The first one has a severity level of 1, which means it is an informational
MPP, images formats and many more! Exception Handling in Sql Server 2005 Posted by raymondlewallen on January 20, 2005 SQL Server 2005 provides a new exception-handling mechanism in the form of TRY…CATCH. In current version of Sql Server you have to include GOTO statements, and check @@ERROR after every statement is executed to determine if an error had occurred at that particular point and terminate your process or rollback your transaction. This is very ugly indeed. Now Sql Server 2005 provides us with a way to handle those exceptions with the familiar TRY…CATCH blocks. Note: TRY…CATCH blocks in Sql Server cannot handle errors that cause a connection to be lost, i.e. any severity 21 error. Let's look at this simple block of code: BEGIN TRY BEGIN TRAN INSERT Northwind.dbo.Region(RegionId, RegionDescription) VALUES (5,'CENTRAL') PRINT 'Added Central Region' INSERT Northwind.dbo.Region(RegionId, RegionDescription) VALUES (5,'ANOTHER REGION') PRINT 'Added Another Region' COMMIT TRAN END TRY BEGIN CATCH PRINT 'The following error has occurred: ' + ERROR_MESSAGE() ROLLBACK TRAN END CATCH The following output will be produced: Added Central Region The following error has occurred: Violation of PRIMARY KEY constraint ‘PK_Region'. Cannot insert duplicate key in object ‘Region'. Well that is simple enough. Note that unlike .Net, you cannot leave out the CATCH statement in T-SQL. Not much change to existing code in order to get this implemented, other than taking out a bunch of labels, GOTOs and @@ERROR > 0 checks. Here's another example: BEGIN TRY BEGIN TRAN INSERT Northwind.dbo.Region(RegionId, RegionDescription) VALUES (5,'CENTRAL') PRINT 'Added Central Region' INSERT Northwind.dbo.Region(RegionId, RegionDescription) VALUES (6,NULL) PRINT 'Added NULL Region' COMMIT TRAN END TRY BEGIN CATCH PRINT 'The following error has occurred: ' + ERROR_MESSAGE() ROLLBACK TRAN END CATCH The following output will be produced: Added Central Region The following error has occurred: Cannot insert the value NULL into column ‘RegionDescription', table ‘Northwind.dbo.Region'; column does not allow nulls. INSERT fails. Now lets combine the two examples together and look at how we capture a specific error that occurred using ERROR_NUMBER(). Also, I'm introducing the new XACT_STATE() into this example. XACT_STATE() does exactly what you think it does, it returns the state of the transaction. Return values 0 for no transaction is open and you cannot commit or rollback, 1 means that a transaction is open and can committed or rolled back based on h