SQLÓï¾ä´´½¨Êý¾Ý¿â
1.create database dataname
ÕâÊÇ´´½¨Êý¾Ý¿â×î¼òµ¥µÄ·½·¨£®Êý¾Ý¿âµÄ¸÷¸öÊôÐÔ¶¼ÊÇĬÈÏ£®ÈçÊý¾Ý¿âÎļþÓëÈÕÖ¾Îļþ´æ´¢Ä¿Â¼£®Êý¾Ý¿â´óСµÈ£®
ÏÂÃæ½éÉÜϳ£Óþö¶¨Êý¾Ý¿âÊôÐÔµÄ×Ӿ䣮
on:¼òµ¥Àí½âΪ¶¨Òå´æ´¢Êý¾Ý¿âÎļþµÄλÖ㬿´ÏÂÃæ´úÂ룮
filename:Êý¾Ý¿âµÄÂß¼±ðÃû
size:Êý¾Ý¿â³õʼ´óС
maxsize:Êý¾Ý¿â³õ´óÈÝÁ¿
filegrowth:Êý¾Ý¿âÿ´ÎÔö¼ÓµÄÈÝÁ¿£®
log on:¼òµ¥Àí½âΪ¶¨Òå´æ´¢Êý¾Ý¿âÈÕÖ¾ÎļþµÄλÖã®
¿´´´½¨´úÂ룺
create database Accounting
on(name='AccountingName',
filename='F:\×ܽá\Sql\´´½¨ºÍÐÞ¸ÄÊý¾Ý±í\Accounting.mbdf',
size=10mb,
maxsize=50mb,
filegrowth=5mb)
log on(name='AccountingLog',
filename='F:\×ܽá\Sql\´´½¨ºÍÐÞ¸ÄÊý¾Ý±í\Accounting.log',
size=10mb,
maxsize=50mb,
filegrowth=5mb)
ÉÏÃæËµµ½ÁË¡¡filegrowth:Êý¾Ý¿âÿ´ÎÔö¼ÓµÄÈÝÁ¿¡¡½áºÏ´úÂëÀ´Ëµ£®¾ÍÊdzõʼÊý¾Ý¿â´óСΪ10mb.µ±Êý¾Ý¿âÈÝÁ¿Òª³¬³öʱ£®Ëû»á×Ô¶¯Ôö¼Ó5mb£®Õâ»á¾ÍÊÇ15mb´óС£®×î´óµ½50mb
create database song on
(name=ktvdata,filename='D:\database\ktvdata.mdf',
size=8MB,maxsize=9MB,filegrowth=100KB)
log on
(name=ktvdata_log,filename='D:\database\ktvdata.ldf',
size=9MB,maxsize=10MB,filegrowth=100KB)
go
2. ʹÓÃALTER DATABASEÓï¾äÐÞ¸ÄÊý¾Ý¿â
Àý4-3¡¡½«Á½¸öÊý¾ÝÎļþºÍÒ»¸öÊÂÎñÈÕÖ¾ÎļþÌí¼Óµ½testÊý¾Ý¿âÖС£
³ÌÐòÇåµ¥ÈçÏ£º
ALTER DATABASE Test
ADD FILE
(NAME = Test1, FILENAME='c:\Program Files\Microsoft SQL Server\MSSQL\Data\test1.ndf', SIZE =
5MB, MAXSIZE = 100MB, FILEGROWTH = 5MB),
(NAME = Test2, FILENAME='c:\Program Files\Microsoft SQL Server\MSSQL\Data\test2.ndf', SIZE =
3MB, MAXSIZE = 10MB, FILEGROWTH = 1MB)
GO
ALTER DATABASE Test
ADD LOG FILE ( NAME = testlog1, FILENAME='c:\Program Files\Microsoft SQL
Server\MSSQL\Data\testlog1.ldf', SIZE = 5MB, MAXSIZE = 100MB, FILEGROWTH = 5MB)
GO
3¡¢ÖØÃüÃûtestΪdemo
sp_renamedb 'test','demo'
4. ɾ³ýÊý¾Ý¿â£º drop database song
go
Ïà¹ØÎĵµ£º
--
¾ÛºÏº¯Êý
use
pubs
go
select
avg
(
distinct
price)
--
ËãÆ½¾ùÊý
from
titles
where
type
=
'
business
'
go
use
pubs
go
select
max
(ytd_sales)
--
×î´óÊý
from
titles
go
use
pubs
go
select
min
(ytd_sales)
--
×îСÊý
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