SQL高级 第六章 7 储存过程

BEGIN TRANSACTION
DECLARE @errorSum INT
SET @errorSum=0
/*--插入数据--*/
INSERT INTO Result(StudentNo,SubjectNo,ExamDate,StudentResult)
VALUES(1,1,GETDATE(),90)
SET @errorSum=@errorSum+@@error
INSERT INTO Result(StudentNo,SubjectNo,ExamDate,StudentResult)
VALUES(1,1,GETDATE(),70)
SET @errorSum=@errorSum+@@error
INSERT INTO Result(StudentNo,SubjectNo,ExamDate,StudentResult)
VALUES(2,1,GETDATE(),67)
SET @errorSum=@errorSum+@@error
INSERT INTO Result(StudentNo,SubjectNo,ExamDate,StudentResult)
VALUES(2,1,GETDATE(),55)
SET @errorSum=@errorSum+@@error
INSERT INTO Result(StudentNo,SubjectNo,ExamDate,StudentResult)
VALUES(3,1,GETDATE(),102)--分数违反约束
SET @errorSum=@errorSum+@@error
INSERT INTO Result(StudentNo,SubjectNo,ExamDate,StudentResult)
VALUES(3,4,GETDATE(),90)
SET @errorSum=@errorSum+@@error
INSERT INTO Result(StudentNo,SubjectNo,ExamDate,StudentResult)
VALUES(4,4,GETDATE(),56)
SET @errorSum=@errorSum+@@error
INSERT INTO Result(StudentNo,SubjectNo,ExamDate,StudentResult)
VALUES(4,4,GETDATE(),88)
SET @errorSum=@errorSum+@@error
INSERT INTO Result(StudentNo,SubjectNo,ExamDate,StudentResult)
VALUES(5,4,GETDATE(),40)
SET @errorSum=@errorSum+@@error
INSERT INTO Result(StudentNo,SubjectNo,ExamDate,StudentResult)
VALUES(5,4,GETDATE(),65)
SET @errorSum=@errorSum+@@error

/*--根据是否有错误，确定事务是提交还是撤销--*/
IF(@errorSum<>0) --如果有错误
BEGIN
PRINT '插入失败，回滚事务'
ROLLBACK TRANSACTION
END
ELSE
BEGIN
PRINT '插入成功，提交事务'
COMMIT TRANSACTION
END
GO