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  • SQL Server ID自增列重新从1开始算起

    SQL Server ID自增列重新从1开始算起
    数据库原有ID字段,是自增列的,后来把数据全删除后,想让ID自增列从1开始算起

    方法1:
    1.dbcc checkident('test',reseed,0)
    2.insert into test values(55)

    select * from test

    显示结果:

    id      msum

    1        55

    方法2:

    SET IDENTITY_INSERT

    允许将显式值插入表的标识列中。

    语法:
    SET IDENTITY_INSERT [ database_name . [ schema_name ] . ] table { ON | OFF }
    set identity_insert dbo.test on
    test是表名
    注意:运用set identity_insert dbo.test on后,insert into时,必须要把需要插入记录的字段写上,如:
    insert into test(id,msum)values(1,55)
    insert into test(id,msum)values(2,55)
    下面的语句的写法是错误的:
    insert into test values(55)
    insert into test values(1,55)


    出处:http://blog.csdn.net/neekerss/archive/2009/04/20/4095090.aspx

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  • 原文地址:https://www.cnblogs.com/no7dw/p/1530731.html
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