原文:SQL Server修改标识列方法(备忘) SQL Server修改标识列方法 ----允许对系统表进行更新 exec sp_configure 'allow updates',1 reconfigure with override GO ----取消标识列标记 update syscolumns set colstat = 0 where id = object_id('tablename') and colstat = 1 GO --插入id=8001-8003的行 ... ----恢…
概念解释 IDENT_CURRENT returns the last identity value generated for a specific table in any session and any scope. IDENTITY returns the last identity value generated for any table in the current session, across all scopes. SCOPE_IDENTITY returns the las…
分类: SQL Server select GETDATE() as '当前日期',DateName(year,GetDate()) as '年',DateName(month,GetDate()) as '月',DateName(day,GetDate()) as '日',DateName(dw,GetDate()) as '星期',DateName(week,GetDate()) as '周数',DateName(hour,GetDate()) as '时',DateName(minute…
1.首先展示创建sql server存储过程的语句,创建一个简单的存储过程,测试用. SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO CREATE PROCEDURE [dbo].[register_info] ), ), ), ), ), @create_time datetime AS BEGIN ); BEGIN TRY BEGIN TRANSACTION; --插入注册信息,这里未做任何验证,直接插入 INSERT into regist…
Sql server:(连接数据库后,点击当前数据库再新建查询) select count(c.name),o.name from syscolumns c left join sysobjects o on c.id=o.id group by o.name MySql: select count(t.table_name),c.table_name from information_schema.columns c left join INFORMATION_SCHEMA.TABLES t…
1:每个表只能创建一个标识列. 如下测试所示,如果表中有一个标识列,新增一个标识列就会遇到错误"Multiple identity columns specified for table 'TEST'. Only one identity column per table is allowed." CREATE TABLE dbo.TEST ( ID INT IDENTITY(1,1) , NAME VARCHAR(32) ); AL…
if exists (select 1 from sysobjects where name = 'sysproperties'and xtype = 'V')begin DROP VIEW syspropertiesend GO CREATE VIEW syspropertiesAS SELECT class AS id,Minor_id AS sMallid,* from sys.extended_properties -------在sql server 2005中获取表…