en SET XACT_ABORT处于启用状态，如果Transact-SQL语句引发运行时错误，则整个事务将终止并回滚。当SET XACT_ABORT处于禁用状态时，在某些情况下，仅回滚引发错误的Transact-SQL语句，事务将继续处理。 IF EXI

en SET XACT_ABORT处于启用状态，如果Transact-SQL语句引发运行时错误，则整个事务将终止并回滚。当SET XACT_ABORT处于禁用状态时，在某些情况下，仅回滚引发错误的Transact-SQL语句，事务将继续处理。

IF EXISTS (SELECT * FROM tempdb..sysobjects WHERE id=OBJECT_ID('tempdb..#tmpErrors')) DROP TABLE #tmpErrors
GO
CREATE TABLE #tmpErrors (Error int)
GO
SET XACT_ABORT ON
GO
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE
GO
BEGIN TRANSACTION
GO
PRINT N'Creating [Proc A]'
GO
-------------------------------------------------------------------------
CREATE PROCEDURE A
    AS
        -- The body of procedure A
    GO
-------------------------------------------------------------------------

IF @@ERROR<>0 AND @@TRANCOUNT>0 ROLLBACK TRANSACTION
GO
IF @@TRANCOUNT=0 BEGIN INSERT INTO #tmpErrors (Error) SELECT 1 BEGIN TRANSACTION END
GO
PRINT N'Creating [Proc B]'
GO
-------------------------------------------------------------------------
CREATE PROCEDURE B
    AS
        -- The body of procedure B
    GO
-------------------------------------------------------------------------
IF @@ERROR<>0 AND @@TRANCOUNT>0 ROLLBACK TRANSACTION
GO
IF @@TRANCOUNT=0 BEGIN INSERT INTO #tmpErrors (Error) SELECT 1 BEGIN TRANSACTION END
GO
IF EXISTS (SELECT * FROM #tmpErrors) ROLLBACK TRANSACTION
GO
IF @@TRANCOUNT>0 BEGIN
PRINT 'The database update succeeded'
COMMIT TRANSACTION
END
ELSE PRINT 'The database update failed'
GO
DROP TABLE #tmpErrors
GO