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1.×¼±¸¹¤×÷: ×¼±¸Ïà¹ØµÄÈí¼þ(Eclipse³ýÍâ,¿ªÔ´Èí¼þ¿ÉÒÔ´Ó¹ÙÍøÏÂÔØ)
<1>.Microsoft 2005 Express Edition
ÏÂÔØµØÖ·:http://download.microsoft.com/download/0/9/0/09020fab-d2c3-4a8c-b9e0-db53a7a30ae8/SQLEXPR_CHS.EXE
<2>. Management Studio
ÏÂÔØµØÖ·:http://www.microsoft.com/downloads/details.aspx?displaylang=zh-cn&FamilyID=c243a5ae-4bd1-4e3d-94b8-5a0f62bf7796#filelist
<3>. 2005 driver for JDBC
ÏÂÔØµØÖ·:http://download.microsoft.com/download/8/B/D/8BDABAE2-B6EA-41D4-B903-7916EF3690EF/sqljdbc_1.2.2323.101_enu.exe
2.¶¼ÏÂÔØÍêÖ®ºó¿ªÊ¼½øÐа²×° ,ǰÁ½¸öÊÇÊôÓÚÊý¾Ý¿âÈí¼þ,Õý³£°²×°¼´¿É(×¢ÒâµÇ½²»ÒªÊ¹ÓÃwindowsÑéÖ¤)
<1> ½«JDBC½âѹËõµ½ÈÎÒâλÖÃ,±ÈÈç½âѹµ½CÅÌprogram filesÏÂÃæ,²¢ÔÚ°²×°Ä¿Â¼ÀïÕÒµ½sqljdbc.jarÎļþ,µÃµ½Æä·¾¶¿ªÊ¼ÅäÖû·¾³±äÁ¿
ÔÚ»·¾³±äÁ¿classpath ºóÃæ×·¼Ó C:\Program Files\Microsoft 2005 JDBC Driver\sqljdbc_1.2\enu\sqljdbc.jar
<2> ÉèÖÃSQLEXPRESS·þÎñÆ÷:
a.´ò¿ª Configuration Manager -> SQLEXPRESSµÄÐÒé -> TCP/IP
b.ÓÒ¼üµ¥»÷Æô¶¯TCP/IP
c.Ë«»÷½øÈë,°ÑIPµØÖ·ÖеÄIP allÖеÄTCP¶Ë¿ÚÉèÖÃΪ1433
d.ÖØÐÂÆô¶¯ 2005·þÎñÖеÄSQLEXPRESS·þÎñÆ÷
e.¹Ø±Õ Configuration Manager
<3> ´ò¿ª¸Õ¸Õ°²×°ºÃµÄ Management Studio,Á¬½ÓSQLEXPRESS·þÎñÆ÷, н¨,ÆðÃû×ÖΪsample
<4> ´ò¿ªEclipse
a.н¨¹¤³Ì-> java -> project,ÆðÃûΪTest
b.Ñ¡Ôñeclipse->´°¿Ú->Ê×Ñ¡Ïî->->installed JRE ±à¼ÒѾ°²×°ºÃµÄjdk,²éÕÒÄ¿Â
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sql Ìí¼ÓзÖÇø
ALTER PARTITION SCHEME SCH_Source_ID_DT_ID
NEXT USED sn3
go
ALTER PARTITION FUNCTION [PF_Source_ID_DT_ID]()
SPLIT RANGE ('350000')
ɾ³ý·ÖÇø
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ALTER PARTITION FUNCTION [PF_Source_ID_DT_ID]( ......
INSERT INTO
tableName ( columnName1, columnName2, columnName3, columnName4)
VALUES ( '45', 'Î÷²Ø°ì', TO_Date( '2010-03-10 12:00:00', 'YYYY-MM-DD HH24:MI:SS'), NULL,);
commit; ......
SELECT g.rid, room_no, planed_count,cc from
(SELECT rid,room_no, planed_count from YC_HOTEL_ROOM_T ) r
left join
(SELECT rid,count(*) cc from YC_GUEST_INFO_T group by rid ) g
ON r.rid = g.rid WHERE planed_ ......
×·¼Ó£ºrow_number, rank, dese_rank, ntile
1. row_number: Ϊ²éѯ³öÀ´µÄÿһÐмǼÉú³ÉÒ»¸öÐòºÅ¡£
SELECT row_number() OVER(ORDER BY field) AS row_n
from tablename;
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with t_towtable
as (select row_number over(order by field1) as row_number from tb)
select * from t_rowtable where row_numbe ......