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                              SQL-Structured Query Language
--(¿ªÆôSQL·þÎñ£ºnet start mssqlserver)
--(ÔÚÃüÁîÐÐÖÐÊäÈë'sqlwb'ÃüÁî¿É´ò¿ªSQL¹ÜÀíÆ÷ )
--(Èç¹ûÒªÖ´ÐжàÌõÃüÁîÖеÄÒ»Ìõ,Êó±êÑ¡¶¨ºóÔÙ°´F5Ö´ÐÐ)
create database sales                           --´´½¨Ò»¸öÃûΪsalesµÄÊý¾Ý¿â
on
(
name='sales_data',
filename='d:\sales_data.mdf',
size=10,
maxsize=50,
filegrowth=5
)
log on
(
name='sales_log',
filename='d:\sales_log.ldf',
size=10,
maxsize=50,
filegrowth=5
)
drop database sales                             --ɾ³ýËù´´½¨µÄÊý¾Ý¿â
sp_helpdb sales                                 --²é¿´Êý¾Ý¿âµÄÏà¹ØÐÅÏ¢
sp_helpfile                                     --²é¿´µ±Ç°Êý¾Ý¿âÊý¾ÝÎļþÓëÈÕÖ¾ÎļþµÄÏà¹ØÐÅÏ¢
sp_detach_db sales                              --×ªÒÆÊý¾Ý¿âʱ·ÖÀëÊý¾Ý¿â
sp_attach_db sales,@filename1='Êý¾ÝÎļþ·¾¶Ãû'  --ÕûºÏ·ÖÀëµÄÊý¾Ý¿â                 
                  ,@filename2='ÈÕÖ¾Îļþ·¾¶Ãû'
--(È


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 SQLServer2005ͨ¹ýintersect,union,exceptºÍÈý¸ö¹Ø¼ü×Ö¶ÔÓ¦½»¡¢²¢¡¢²îÈýÖÖ¼¯ºÏÔËËã¡£
ËûÃǵĶÔÓ¦¹ØÏµ¿ÉÒԲο¼ÏÂÃæÍ¼Ê¾
       Ïà¹Ø²âÊÔʵÀýÈçÏ£º
use tempdb
go
if (object_id ('t1' ) is not null ) drop table t1
if (object_id ('t2' ) is not null ) drop table t2
go ......

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1¡¢Primary Key's Ö÷¼ü
2¡¢Foreign Key's Íâ¼ü
3¡¢Ö§³ÖSELECT¡¢INSERT¡¢UPDATEºÍDELETEÃüÁîµÄ×Ö¶Î :
(1)¡¢INNER JOIN
(£²)¡¢RIGHT | LEFT OUTER JOIN
(£³)¡¢WHERE
(£´)¡¢ORDER BY
(£µ)¡¢GROUP BY
(£¶)¡¢HAVING
¶þ¡¢´´½¨Ë÷ÒýµÄÆäËûÒòËØ(Ö÷ÒªÒòËØ¶¼ÒòΪË÷ÒýÊÇÊý¾Ý±íÍⲿ ......

sqlserver 2000×öÅÅÃûº¯Êý

sqlserver 2000ÅÅÃûº¯Êý
Ãû´ÎÉú³É·½Ê½1,ÖØ¸´Ê±ºÏ²¢Ãû´Î
SELECT *¡¡,¡¡Place=(SELECT COUNT(DISTINCT Score) +1 from jh03 WHERE Score >= a.Score)
from jh03 a
ORDER BY Place
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SELECT * , Place=(SELECT COUNT(Score) from jh03 WHERE Score > a.Score) + 1
from j ......

sqlserver Êý¾Ý±¸·Ý»¹Ô­·½·¨

1¡¢²é¿´Ô­Êý¾Ý¿â±¸·ÝÇé¿ö£ºRESTORE FILELISTONLY from DISK = 'c:\NMGCNC-BABY_2009-4-1.dat' WITH NOUNLOAD, FILE = 1
2¡¢½øÐÐÊý¾Ý¿â»¹Ô­£º
restore database babyAndwed from DISK = 'c:\NMGCNC-BABY_2009-4-1.dat' with move 'babyAndwed_Data' to
'c:\NMGCNC-BABY_Data.MDF',move 'babyAndwed_Log' to 'c:\NMGCNC-B ......

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