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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'
--(ÈçºÎ¼õСÊý¾Ý¿âÈÕÖ¾ÎļþµÄ´óС:  a.·ÖÀëÊý¾Ý¿â b.×ªÒÆÈÕÖ¾Îļþ c .ÕûºÏÊý¾Ý¿âµ«²»Ö¸¶¨ÈÕÖ¾Îļþ)
--Êý¾Ý¿âµÄ±¸·Ý
sp_addumpdevice 'disk','mydisk','d:\sales.bak'  --Ìí¼ÓÉ豸¡


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c#ÖиßЧµÄexcelµ¼ÈësqlserverµÄ·½·¨

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18¾ä»°ÈëÃÅSQLServer XML

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/*
sql xml ÈëÃÅ:
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    --http://blog.csdn.net/jinjazz
   
    1¡¢xml:        ÄÜÈÏÊ¶ÔªËØ¡¢ÊôÐÔºÍÖµ
   
    2¡¢xpath: ......

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--ÿ¸öÔµĵÚÒ»Ìì
select dateadd(dd,-datepart(dd,getdate())+1,getdate())
--µÚ¸öÔµÄ×îºóÒ»Ìì
select dateadd(dd,-datepart(dd,getdate()),dateadd(mm,1,getdate()))
--±¾ÔµÄÌìÊý
select datediff(dd,getdate(),dateadd(mm,1,getdate()))
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sqlserver 2000×öÅÅÃûº¯Êý

sqlserver 2000ÅÅÃûº¯Êý
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SELECT *¡¡,¡¡Place=(SELECT COUNT(DISTINCT Score) +1 from jh03 WHERE Score >= a.Score)
from jh03 a
ORDER BY Place
 Ãû´ÎÉú³É·½Ê½2 , ÖØ¸´Ê±±£ÁôÃû´Î¿Õȱ
SELECT * , Place=(SELECT COUNT(Score) from jh03 WHERE Score > a.Score) + 1
from j ......
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