@@error Raiserror
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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 this site About sql server raiserror stop execution Us Learn more about Stack Overflow the company Business Learn more about hiring raiserror vs throw developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join sql error severity 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 What is the syntax meaning https://msdn.microsoft.com/en-us/library/ms178592.aspx of RAISERROR() up vote 8 down vote favorite 2 I just created a Instead After Trigger whose syntax is given below: Create trigger tgrInsteadTrigger on copytableto Instead of Insert as Declare @store_name varchar(30); declare @sales int; declare @date datetime; select @store_name = i.store_name from inserted i select @sales = i.sales from inserted i select @date = i.Date from inserted i begin if (@sales > 1000) begin http://stackoverflow.com/questions/16170073/what-is-the-syntax-meaning-of-raiserror RAISERROR('Cannot Insert where salary > 1000',16,1); ROLLBACK; end else begin insert into copytablefrom(store_name, sales, date) values (@store_name, @sales, @date); Print 'Instead After Trigger Executed'; end End In the above syntax I have used RAISERROR('Cannot Insert where salary > 1000',16,1) But when I write RAISERROR('Cannot Insert where salary > 1000') it gives the error "Incorrect syntax near ')'" on the same line. Can anyone please explain the use of (16,1) here. sql database sql-server-2008 sql-server-2005 sql-server-2008-r2 share|improve this question edited Apr 24 at 8:55 Darren Davies 40.8k1469103 asked Apr 23 '13 at 13:02 user2289490 54226 The syntax of RaIsError is explained here. –HABO Apr 23 '13 at 13:05 3 This trigger is broken - it assumes that there's a single row in inserted, whereas in fact there can be 0, 1, or many rows in inserted. –Damien_The_Unbeliever Apr 23 '13 at 13:12 add a comment| 4 Answers 4 active oldest votes up vote 15 down vote accepted It is the severity level of the error. The levels are from 11 - 20 which throw an error in SQL. The higher the level, the more severe the level and the transaction should be a
This statement will raise an error with a user defined error message. The error message is either created dynamically or stored in the system table sysmessages. Example: same as before but raising an error message created dynamically. CREATE PROCEDURE spDivision3 @num1 int, @num2 int AS http://www.dba-sql-server.com/sql_server_tips/t_super_sql_448_raiserror.htm --SP with error management code, an error is raised + 1 row with 'Error' IF @num2=0 BEGIN SELECT 'Error' RAISERROR ('Error: Division by zero.', 16, 1) END ELSE select @num1/@num2 RAISERROR does not change the return code, instead it will have to be changed with a RETURN statement. If the error message is used in many SP’s, to avoid inconsistencies due to changes in the message, the message can be stored in sysmessages. The system SP sp_addmessage will add the message error severity and sp_dropmessage will drop it. User-defined error messages must have a msg_id greater or equal to 50001. Example: same as before but raising an error message stored in sysmessages. This is to store the new error message: EXEC sp_addmessage 50001, 16, N'Error: Division by zero.' CREATE PROCEDURE spDivision4 @num1 int, @num2 int AS --SP with error management code, an error is raised + 1 row with 'Error' IF @num2=0 BEGIN SELECT 'Error' RAISERROR (50001, 16, 1) END ELSE select raiserror custom error @num1/@num2 RAISERROR will exit the current SP but it will still allow the execution of all the statements following it, within the same block. The next example shows RAISERROR and some statements that will execute after it. CREATE PROCEDURE spDivision4a @num1 int, @num2 int AS --SP with error management code, an error is raised + 1 row with 'Error' IF @num2=0 BEGIN SELECT 'Error' RAISERROR (50001, 16, 1) SELECT '1' RETURN -6 SELECT '2' END ELSE select @num1/@num2 SELECT '3' RETURN –9 The SELECT '1' and RETURN –6 will execute because they are in the same block as the RAISERROR. The RETURN will cause an immediate exit from the SP. Sometimes it is very hard to prevent the error from happening but it is still necessary to take some action. @@ERROR The system function @@ERROR will return an error code if an error was encountered after the completion of the TSQL statement immediately preceding it, otherwise it will return 0, meaning success. The value of @@ERROR changes for each TSQL statement and the only way to keep track of errors is by using a temporary variable to store the error code. If there is no need to keep track of the error but simply act upon it, then the value of @@ERROR can be checked after the TSQL statement to be tested. CREATE PROCEDURE spDivision5 @num1 int, @num2 int AS --SP with error management code, the error is detected, with @@Error, after it happens DECLARE @errnu