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开发学院数据库MSSQL Server 如何用sql语句修改数据表中字段,实现identity(10... 阅读

如何用sql语句修改数据表中字段,实现identity(100,1)的递增

 2007-11-11 10:31:03 来源:WEB开发网   
核心提示:create table common_info(name varchar(10),value int)insert into common_info values('msg_count', 100)你的sql应该这么写(用存储过程):create proc p_ins_alm_msg @msg_

  create table common_info(
name varchar(10),
value int)
insert into common_info values('msg_count', 100)
你的sql应该这么写(用存储过程):
create proc p_ins_alm_msg
@msg_count int out
as
select @msg_count = value from common_info where name = 'msg_count'
update common_info set value = @msg_count+ 1 where name = 'msg_count' and value =

@msg_count
if @@rowcount = 0
return -1000
insert into table1 (field0)
values(@msg_count)
return 0
go

Tags:如何 sql 语句

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