标签:最新 end read count div 创建表 自增列 存储 prim
-- 假定要给T_0101001创建一个Sequence -- 创建表SeqT_0101001 create table SeqT_0101001( -- ID列为自增列 SeqID int identity(1,1) primary key, -- Sequence值 SeqVal varchar(1) ) -- 创建从SeqT_0101001表获取最新Sequence值的存储过程 create procedure P_GetNewSeqVal_SeqT_0101001 as begin -- 声明新Sequence值变量 declare @NewSeqValue int -- 设置插入、删除操作后的条数显示取消 set NOCOUNT ON -- 插入新值到SeqT_0101001表 insert into SeqT_0101001 (SeqVal) values (‘a‘) -- 设置新Sequence值为插入到SeqT_0101001表的标识列内的最后一个标识值 set @NewSeqValue = scope_identity() -- 删除SeqT_0101001表(不显示被锁行) delete from SeqT_0101001 WITH (READPAST) -- 返回新Sequence值 return @NewSeqValue END --使用Sequence Declare @NewSeqVal int Exec @NewSeqVal = P_GetNewSeqVal_SeqT_0101001 Print @NewSeqVal select Convert(char(8),Getdate(),112) + right(‘00000‘+CAST(@NewSeqVal AS varchar(5)),5) as mySeq --TRUNCATE table SeqT_0101001
标签:最新 end read count div 创建表 自增列 存储 prim
原文地址:https://www.cnblogs.com/zoumin123/p/9276631.html