SQL 中将一个表转化成建表语句的存储过程
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_NULLS ON
GO
CREATE proc pGetInsertSQL (@TableName varchar(256))
as
begin
set nocount on
declare @sqlstr varchar(4000)
declare @sqlstr1 varchar(4000)
declare @sqlstr2 varchar(4000)
select @sqlstr='select ''insert '+@tablename
select @sqlstr1=''
select @sqlstr2=' ('
select @sqlstr1= ' values ( ''+'
select @sqlstr1=@sqlstr1+col+'+'',''+' ,@sqlstr2=@sqlstr2+name +',' from (select case
-- when a.xtype =173 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.length*2+2)+'),'+a.name +')'+' end'
when a.xtype =104 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(1),'+a.name +')'+' end'
when a.xtype =175 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'replace('+a.name+','''''''','''''''''''')' + '+'''''''''+' end'
when a.xtype =61 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'convert(varchar(23),'+a.name +',121)'+ '+'''''''''+' end'
when a.xtype =106 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar('+convert(varchar(4),a.xprec+2)+'),'+a.name +')'+' end'
when a.xtype =62 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(23),'+a.name +',2)'+' end'
when a.xtype =56 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(11),'+a.name +')'+' end'
when a.xtype =60 then 'case when '+a.name+' is null then ''NULL'' else '+'convert(varchar(22),'+a.name +')'+' end'
when a.xtype =239 then 'case when '+a.name+' is null then ''NULL'' else '+'''''''''+'+'replace('+a.name+','''
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/********************************
功能:获取表的空间分布情况
**********************************/
if not exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[tablespaceinfo]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
create table tablespaceinfo   ......
SQL分类:
DDL—数据定义语言(CREATE,ALTER,DROP,DECLARE)
DML—数据操纵语言(SELECT,DELETE,UPDATE,INSERT)
DCL—数据控制语言(GRANT,REVOKE,COMMIT,ROLLBACK)
首先,简要介绍基础语句:
1、说明:创建数据库
CREATE DATABASE database-name
2、说明:删除数据库
drop database db ......
select top 每页显示的记录数 * from topic where id not in (select top (当前的页数-1)×每页显示的记录数 id from topic order by id desc) order by id desc
select top 每页显示的记录数 * from topic where id not in (select top (当前的页数-1)×每页显示的记录数 id from topic order by id desc) ......
DECLARE
TYPE list IS TABLE OF t_stu.project%TYPE INDEX BY BINARY_INTEGER;
project_list list;
v_pro_num NUMBER;
sql_str VARCHAR(255);
t_stu
SID SUBJECT SCORE
1 数学 &n ......
transaction 1:
------------------------------------------------------
begin transaction
update table1 set cola = 'str1'
Waitfor time '10:12:00'
update table2 set colb = 'str2'
rollback transaction
transaction 2:
---- ......