ÈçºÎÓÃSQLÓï¾äÔÚÁ½¸öÊý¾Ý¿â¼ä¸´ÖÆ´æ´¢¹ý³Ì
--1.ÔÚÄ¿±ê·þÎñÆ÷ÉϽ¨Á¢Èç϶ÔÏó(±»Í¬²½µÄ·þÎñÆ÷)
if exists (select * from dbo.sysobjects where id = object_id(N'[sys_syscomments_bak]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
drop table [sys_syscomments_bak]
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[p_process_object]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
drop procedure [dbo].[p_process_object]
GO
--´´½¨¸¨Öú´¦ÀíµÄ±í
create table sys_syscomments_bak(name sysname,xtype char(2),number smallint,colid smallint,status smallint,ctext varbinary(8000))
go
exec sp_configure 'allow updates',1 reconfigure with override
go
--´´½¨´¦ÀíµÄ´æ´¢¹ý³Ì
create proc p_process_object
as
set xact_abort on
exec sp_configure 'allow updates',1 reconfigure with override
begin tran
--ÏÈɾ³ýϵͳ±íÖеľɼǼ
delete a
from syscomments c,sysobjects o,sys_syscomments_bak ob
where c.id=o.id
and o.name=ob.name and o.xtype=ob.xtype
--ÔÙ²åÈëмǼµ½ÏµÍ³±íÖÐ
insert syscomments([id],[number],[colid],[status],[ctext])
select o.[id],ob.[number],o
Ïà¹ØÎĵµ£º
1.½¨±íÓï¾ä£ºcreate table
Ó÷¨: create table ±íµÄÃû×Ö (×Ö¶Î1, ×Ö¶Î2,¡£¡£¡£¡£)
¾ÙÀý£ºÀýÈç´´½¨Ò»¸öѧÉú³É¼¨±í£¬°üº¬µÄ×Ö¶ÎÓУ¬Ñ§Éúid£¬ÐÕÃû£¬ÐԱ𣬰༶£¬³É¼¨create table score(
create table score(
sid nvarchar(10) primary key,
sname nvarchar(10) not null,
sex nvarchar(2),
sc ......
mysqlµ¼ÈësqlÎļþ:Mysqlµ¼Èëµ¼³ö.sqlÎļþ
²½ÖèÈçÏ£º
Ò».MYSQLµÄÃüÁîÐÐģʽµÄÉèÖãº
×ÀÃæ->ÎҵĵçÄÔ->ÊôÐÔ->»·¾³±äÁ¿->н¨->
PATH=“£»path\mysql\bin;”ÆäÖÐpathΪMYSQLµÄ°²×°Â·¾¶¡£
¶þ.¼òµ¥µÄ½éÉÜÒ»ÏÂÃüÁîÐнøÈëMYSQLµÄ·½·¨£º
1.C:\>mysql -h hostname -u username -p
°´ENTER ......
ÈçÒªÔÚÒ»¸öhwsp±íÖÐÌî¼Ó×ֶΣºylxs
alter table hwsp add column ylxs
ALTER TABLE ±í {ADD ADD{COLUMN ×Ö¶ÎÀàÐÍ [ (×Ö³¤)] [NOT NULL] [CONSTRAINT Ë÷Òý ] |
ALTER COLUMN ×Ö¶ÎÀàÐÍ [(×Ö³¤)] |
CONSTRAINT ¶àÖØ×Ö¶ÎË÷Òý } |
&nbs ......
/*=================== µ¼Èë/µ¼³ö Excel µÄ»ù±¾·½·¨ ===================*/
¡¡¡¡
¡¡¡¡´ÓExcelÎļþÖÐ,µ¼ÈëÊý¾Ýµ½SQLÊý¾Ý¿âÖÐ,ºÜ¼òµ¥,Ö±½ÓÓÃÏÂÃæµÄÓï¾ä:
¡¡¡¡
¡¡¡¡/*===================================================================*/
¡¡¡¡--Èç¹û½ÓÊÜÊý¾Ýµ¼ÈëµÄ±íÒѾ´æÔÚ
¡¡¡¡insert into ±í select * from
¡¡ ......
ÎÒÃÇÔÚÊý¾Ý¿âÖÐʹÓñíµÄʱºò,¾³£»áÓöµ½Á½ÖÖʹÓñíµÄ·½·¨,·Ö±ð¾ÍÊÇʹÓÃÁÙʱ±í¼°±í±äÁ¿¡£ÔÚʵ¼ÊʹÓõÄʱºò£¬ÎÒÃÇÈçºÎÁé»îµÄÔÚ´æ´¢¹ý³ÌÖÐÔËÓÃËüÃÇ£¬ËäÈ»ËüÃÇʵÏֵŦÄÜ»ù±¾ÉÏÊÇÒ»ÑùµÄ£¬¿ÉÈçºÎÔÚÒ»¸ö´æ´¢¹ý³ÌÖÐÓÐʱºòȥʹÓÃÁÙʱ±í¶ø²»Ê¹Óñí±äÁ¿£¬ÓÐʱºòȥʹÓñí±äÁ¿¶ø²»Ê¹ÓÃÁÙʱ±íÄØ?
¡¡¡¡ÁÙʱ±í
¡¡¡¡ÁÙʱ±íÓëÓÀ¾Ã± ......