CREATEProcedureP_USERS_I(@user_idvarchar(50),@user_namenvarchar(256),@flagINTOUTPUT)ASIF(EXISTS(SELECT*FROMdbo.T_USERSWHERELOWERED_USER_NAME=LOWER(@user_name)OR[USER_ID]=@user_id))BEGINSET@flag=-1RETURNENDINSERTINTOdbo.T_USERS([USER_ID],[USER_NAME],LOWERED_USER_NAME)VALUES(@user_id,...
在SQL Server中我们通过BEGIN TRY/END TRY和BEGIN CATCH/END CATCH这样的结构来进行Exception Handling。 通过TRY CATCH,上面的Stored procedure可以改成下面的样子: CREATEProcedureP_USERS_IN_ROLES_I ( @user_nameNVARCHAR(256), @role_nameNVARCHAR(256) ) AS DECLARE@user_idVARCHAR(50) DECLARE@role_idVARCHA...
SQL Copy Output Example 6. (ERROR_PROCEDURE) ERROR_PROCEDURE returns the name of the Stored Procedure or trigger where an error occurred. The return type of ERROR_PROCEDURE is nvarchar(128). Return value Return value returns the Stored Procedure Name if an error occurs in a Stored Procedure ...
对于所有的开发人员来说,Exception Handling是我们每天都要面对的事情。对于基于Source Code的Exception Handling,我想大家已经司空见惯了,但是对于Database级别的Exception Handling,就没有那么常见了。在这篇文章中,我将会介绍我对于基于Database编程中Exception Handling的一些粗浅的认识:在编写Stored Procedure时,如何抛出一...
在这篇文章中,我将会介绍我对于基于Database编程中Exception Handling的一些粗浅的认识:在编写Stored Procedure时,如何抛出一个可预知的Exception,ADO.NET如何处理从Database抛出的Exception,如何保存基于Database Exception的Error Message,如何在Database和.NET Application之间进行消息的传递[注:这里的Database主要指SQL ...
In JDBC, we may get exceptions when we execute or create the query. Exceptions that occur due to the Database or Driver come under SQL Exception. Using Exception handling, we can handle the SQL Exception like we handle the normal exception. ...
Naveen covered the TSQL exception handling in his posts. How does the TSQL exception handling mechanism interacts with SQLCLR exception handling mechanism? We will cover this topic in this post. When SQL server execute a user function/procedure/trigger implemented in CLR (i.e., managed code), ...
The concept and practice of exception handling in SQL Server is not novel instead statements such as RAISERROR and the TRY/CATCH block has been influential in re-throwing exceptions back to calling applications such as SQL Server Integration Services. The introduction of the THROW statement in SQL...
Inside the EXCEPTION block the DBMS_OUTPUT.PUT_LINE procedure displays an error message indicating that a division by zero has occurred. Flowchart: Previous:PL/SQL Exception Handling Exercises Home. Next:Handling NO_DATA_FOUND exception in PL/SQL....
The MSSQL server supports multiple result sets as output of a stored procedure. However, if an exception occurs on the SQL side after the first result set is generated, no exceptions are generated on the client side in the pymssql code. To Reproduce Create the following stored procedure on M...