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1.´´½¨Êý¾Ý¿â
--exec xp_cmdshell 'mkdir d:\project'--µ÷ÓÃDOSÃüÁî´´½¨Îļþ¼Ð£¬Ê¹Óô˾äÐèÒªÆô¶¯SQLµÄÍâΧ¹¤¾ß
if exists(select * from sysdatabases where name='Êý¾Ý¿âÃû')
drop database Êý¾Ý¿âÃû
set nocount on --È¡ÏûÊÜÓ°ÏìÐÐÊý
create database Êý¾Ý¿âÃû
on
(
name='',
filename='',-- .mdf .ldf
size=10mb,
maxsize=
filename= --Êý¾Ý¿â´óСÔö³¤Á¿
)
log on
(
)
go
use Êý¾Ý¿âÃû
--´´½¨µÇ¼Óû§
exec sp_addlogin 'Óû§Ãû','ÃÜÂë'
--È¥µôÊÜÓ°ÏìÐÐÊý
set nocount on
exec sp_grantdbaccess 'adminMaster','adminMaster'
--ÉèÖÃÓû§¶Ô±íµÄȨÏÞ
grant select,delete,update on bbstopic to ̞
2.´´½¨±í¼°Ìí¼ÓÔ¼Êø
create table ±í
(
)
alter table ±í add
constraint Ô¼ÊøÃû primary key(ÁÐÃû) --Ö÷¼üÔ¼Êø identity
constraint Ô¼ÊøÃû check(len(ÁÐÃû)) --checkÔ¼Êø
constraint Ô¼ÊøÃû unique(ÁÐÃû) --ΨһԼÊø
constraint Ô¼ÊøÃû default(ĬÈÏÄÚÈÝ) for ÁÐÃû
constraint Ô¼ÊøÃû foreign key(Íâ¼üÃû)
references Ö÷¼üÊý¾Ý¿âÃû(Ö÷¼üÃû)
ck£ºcheckÔ¼Êø
fk£ºÍâ¼üÔ¼Êø
df£ºdefaultĬÈÏ
×¢£ºalter ¸Ä±ä, ¸ü¸Ä
add ¼ÓÈ룬 Ôö¼Ó, Ìí¼Ó
constraint Ç¿ÖÆ£¬ÏÞÖÆ, Ô¼Êø
foreign key Íâ¼ü
references ÒýÓÃ
3.sqlÖеĹؼü×Ö£º
sysdatabases ×Ü¿â
exists ÅжÏÊÇ·ñ´æÔÚ
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1. sp_whoºÍsp_who2
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l INNER JOIN
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select * from t_institution i
inner join t_teller t
on i.inst_no = t.inst_no //˵Á½¸ö±íÖ®¼äµÄ¹ØϵÓÃON
where i.inst_no = "5801"
ÆäÖÐinner¿ÉÒÔÊ¡Â ......
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