根据我所读到的内容,如果我理解正确的话,SQL 中的 CATCH 块中的 RAISERROR 将被传递到调用批处理或调用应用程序。 该应用程序正在运行一个存储过程,其中有一个事务。 该交易被包装在 TRY/CATCH 块中。 在 CATCH 块中,如果事务中的某些内容失败导致它跳转到 CATCH,我将引发错误。如果通过 SSMS 运行该过程,错误...
8.自定义错误处理 --切换到数据库DB1useDB1--自定义异常--begin try--内容--end try--begin catch--内容--end catchbegintrydeclare@num1int=10select@num1/0endtrybegincatchprinterror_message()endcatch
SELECT ERROR_NUMBER() AS ErrorNumber, ERROR_MESSAGE() AS ErrorMessage; END CATCH 在这个示例中,使用TRY/CATCH来处理插入操作可能发生的错误。如果发生错误,通过ROLLBACK语句回滚事务,并输出错误信息。 需要注意的是,TRY/CATCH只能处理一般性的运行时错误,不能处理严重的编译错误或者无法预料的系统错误。此外,...
Stored Procedures also let you incorporate TRY...CATCH error handling into your code. Functions do not. It’s not all bad news for functions, however. One of their biggest advantages, as noted above, is the ability to call them from within your SELECT statements. Not only can you...
(@spidASVARCHAR(10));PRINT@tempSQL;EXEC(@tempSQL);DELETEFROM#tempWHEREspid=@spid;ENDDROPTABLE#temp--===--删除数据库EXEC('DROP DATABASE'+@dbName);PRINT'删除成功';ENDTRYBEGINCATCHPRINT'执行出错,错误信息:'PRINTERROR_MESSAGE()ENDCATCH
3)If the execution failed,the next command execution timeout will be multiple by 2.5. It and will be executed again until success or fails after retrying specified in the parameter value called HowManyRetries. 4) Also,I added an useful information, about how much...
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catch\n {\n Write-Output -ForegroundColor DarkYellow \"Error at execution\" \n Write-Output -ForegroundColor Magenta $Error[0].Exception \n }\n } \n }\n catch\n {\n Write-Output -ForegroundColor DarkYellow \"Error at connection\" \n Write-Output -ForegroundCol...
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RETURN MESSAGE TO SSMS: THE QUADRANT HAS ALREADY BEEN MARKED === All quadrants can only be used once per game. Once a quadrant has been marked, it is no longer valid. === */ IF (SELECT IsUsed FROM Quadrants WHERE Quadrant = @quad) ...