EclipseÖÐHibernateÅäÖÃSQL Server 2000µÄÎÊÌâ
×î½üÔÚѧϰHibernate£¬Êý¾Ý¿âÊÇSQL 2000£¬myEclipse7.5£¬¸ù¾ÝÀý×ÓÅäÖúÃHibernateÖ®ºóÔËÐУ¬³öÏÖ£º
com.microsoft.jdbc.base.BaseDatabaseMetaData.supportsGetGeneratedKeys() Õâ¸ö´íÎ󣬵¹ÌÚ°ëÌìÖ®ºó·¢ÏÖÊÇmsbase.jar¡¢mssqlserver.jar¡¢msutil.jarÕâÈý¸ö°üµÄÎÊÌ⣬SQL 2000µÄÊý¾Ý¿âÇý¶¯ÐèÒª×îеİ汾£¬ÕâÈý¸ö°ü¸ù±¾Ã»Óã¬Ó¦¸Ã´Ó΢ÈíµÄÍøÉÏÏÂÔØsqljdbc4.jarÕâ¸ö°ü£¬È»ºóÌí¼Óµ½ÏîÄ¿ÖÐÈ¥¡£²¢ÇÒhibernateµÄÅäÖÃÎļþÒ²ÒªÖØÐÂдһÏ£¬ÈçÏ£º
<property name="connection.driver_class">com.microsoft.sqlserver.jdbc.SQLServerDriver</property>
<property name="connection.url">jdbc:sqlserver://172.16.0.4:1433;databaseName=GHYDisc;integratedSecurity=false;</property>
Äã»á·¢ÏÖ ÕâÁ½´¦µÄÅäÖÃÐÅÏ¢¸úÀý×ÓÖеIJ»Ì«Ò»Ñù¡£ÕâÑùŪÍêÖ®ºó£¬ÎÊÌâ½â¾ö£¬ÔËÐÐ˳Àû¡£
Ïà¹ØÎĵµ£º
exec('selectIDENTITY(int,1,1) as ID,fnum,into #yuecu from store_store where '+@Parameter)
select XX,XX1,XX2 from #yuecu
ÕâÑù´´½¨Ò»¸öÁÙʱ±íÒÔºóÎÒÔÙÏë´ÓÁÙʱ±íÖÐÈ¡Êý¾ÝÌáʾ¶ÔÏóÃû#yuecu&n ......
sqlÖеÄindexof£¬º¯Êý½éÉÜ
È¡³öÎļþÃûÖеĺó׺Ãû£¬ÀýÈ磺1.exe±ä³Éexe
declare @fileName varchar(100)
set @fileName='aaa.exe'
select substring(@fileName,charindex('.',@fileName)+1,len(@fileName))
------------------------------------------------
--×Ô¶¨Ò庯Êý£ºÈ¡ÎļþÃûµÄÎļþÀàÐÍ£¬ÀýÈç1.exeµÄexe
--- ......
SELECT ±íÃû = CASE a.colorder WHEN 1 THEN c.name ELSE '' END,
Ðò = a.colorder,
×Ö¶ÎÃû = a.name,
±êʶ = CASE COLUMNPROPERTY(a.id,a.name, ......
Oracle SQL Developer ÊÇÒ»¸öÃâ·ÑµÄͼÐλ¯Êý¾Ý¿â¿ª·¢¹¤¾ß¡£Ê¹Óà SQL Developer£¬Äú¿ÉÒÔä¯ÀÀÊý¾Ý¿â¶ÔÏó¡¢ÔËÐÐ SQL Óï¾äºÍ SQL ½Å±¾£¬²¢ÇÒ»¹¿ÉÒԱ༺͵÷ÊÔ PL/SQL Óï¾ä¡£Äú»¹¿ÉÒÔÔËÐÐËùÌṩµÄÈκÎÊýÁ¿µÄ±¨±í£¬ÒÔ¼°´´½¨ºÍ±£´æÄú×Ô¼ºµÄ±¨±í¡£SQL Developer ¿ÉÒÔÌá¸ß¹¤×÷ЧÂʲ¢¼ò»¯Êý¾Ý¿â¿ª·¢ÈÎÎñ¡£
SQL Developer ¿ÉÒÔÁ¬½Óµ½È ......
SQL JOIN
SQL join ÓÃÓÚ¸ù¾ÝÁ½¸ö»ò¶à¸ö±íÖеÄÁÐÖ®¼äµÄ¹ØÏµ£¬´ÓÕâЩ±íÖвéѯÊý¾Ý¡£
Join ºÍ Key
ÓÐʱΪÁ˵õ½ÍêÕûµÄ½á¹û£¬ÎÒÃÇÐèÒª´ÓÁ½¸ö»ò¸ü¶àµÄ±íÖлñÈ¡½á¹û¡£ÎÒÃǾÍÐèÒªÖ´ÐÐ join¡£
Êý¾Ý¿âÖеıí¿Éͨ¹ý¼ü½«±Ë´ËÁªÏµÆðÀ´¡£Ö÷¼ü£¨Primary Key£©ÊÇÒ»¸öÁУ¬ÔÚÕâ¸öÁÐÖеÄÿһÐеÄÖµ¶¼ÊÇΨһµÄ¡£ÔÚ±íÖУ¬Ã¿¸öÖ÷¼üµÄ ......