1.waitfor
--例 等待1 小時2 分零3 秒後才執行SELECT 語句
waitfor delay '01:02:03'
select * from employee
--例 等到晚上11 點零8 分後才執行SELECT 語句
waitfor time '23:08:00'
select * from employee
2.查看sqlserver版本
select serverproperty('productversion'),serverproperty('productlevel'),serverproperty('edition')
5.SQL語句附加資料庫
use master
EXEC sp_attach_db @dbname = N'pubs',
@filename1 = N'c:\Program Files\Microsoft SQL Server\MSSQL\Data\pubs.mdf',
@filename2 = N'c:\Program Files\Microsoft SQL Server\MSSQL\Data\pubs_log.ldf'
6.資料庫表間資料複製
--1.表結構相同的表,且在同一資料庫(如,table1,table2)
Sql :insert into table1 select * from table2 (完全複製)
insert into table1 select distinct * from table2(不複製重複紀錄)
insert into table1 select top 5 * from table2 (前五條紀錄)
7.按姓氏筆畫排序
Select * From TableName Order By CustomerName Collate Chinese_PRC_Stroke_ci_as
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