Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Hibernate ²»Í¬Êý¾Ý¿âµÄÁ¬½Ó¼°SQL·½ÑÔ

<!--MySql Çý¶¯³ÌÐò eg. mysql-connector-java-5.0.4-bin.jar-->
  <property name="dialect">org.hibernate.dialect.MySQLDialect</property>
  <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
  <!-- JDBC URL -->
  <property name="connection.url">jdbc:mysql://localhost/dbname?characterEncoding=gb2312</property>
  <!-- Êý¾Ý¿âÓû§Ãû-->
  <property name="connection.username">root</property>
  <!-- Êý¾Ý¿âÃÜÂë-->
  <property name="connection.password">root</property>
  
  
  <!--Sql Server Çý¶¯³ÌÐò eg. jtds-1.2.jar-->
  <property name="dialect">org.hibernate.dialect.SQLServerDialect</property>
  <property name="connection.driver_class">net.sourceforge.jtds.jdbc.Driver</property>
  <!-- JDBC URL -->
  <property name="connection.url">jdbc:jtds:sqlserver://localhost:1433;DatabaseName=dbname</property>
  <!-- Êý¾Ý¿âÓû§Ãû-->
  <property name="connection.username">sa</property>
  <!-- Êý¾Ý¿âÃÜÂë-->
  <property name="connection.password"></property>
  
  
  <!--Oracle Çý¶¯³ÌÐò ojdbc14.jar-->
  <property name="dialect">org.hibernate.dialect.OracleDialect</property>
  <property name="connection.driver_class">oracle.jdbc.driver.OracleDriver</property>
  <!-- JDBC URL -->
  <property name="connection.url">jdbc:oracle:thin:@localhost:1521:dbname</property>
  <!-- Êý¾Ý¿âÓû§Ãû-->
  <property name="connection.username">test</property>
  <!-- Êý¾Ý¿âÃÜÂë-->
  <property name="connection.password">test<


Ïà¹ØÎĵµ£º

¾«µäSQLÓï¾ä

·ÖÀàͳ¼Æ×ÜÊý²¢ÅÅÐò¶à±íÁªºÏ²éѯµÄÁ½ÖÖ·½·¨
Àý:
²éѯµØÇø±íÖи÷Ê¡ÏÂÃæ³ÇÊÐ×ÜÊý,²¢¶Ô²éѯ½á¹ûȡǰʮÃû
·¨Ò»:
select b.id,a.[name],b.counts from n_area a,(select top 10 parent_id as id,sum(parent_id) as counts from n_area where parent_id<>0 group by parent_id order by sum(parent_id) desc
) b where ......

SQLÓÅ»¯( ÒýÓà )



 
SQLÓÅ»¯²éѯ
ÊÕ²Ø



Êý¾Ý¿âµÄ²éѯÓÅ»¯¼¼Êõ
Êý¾Ý¿âϵͳÊǹÜÀíÐÅϢϵͳµÄºËÐÄ£¬»ùÓÚÊý¾Ý¿âµÄÁª»úÊÂÎñ´¦Àí£¨OLTP£©ÒÔ¼°Áª»ú·ÖÎö´¦Àí(OLAP)ÊÇÒøÐС¢ÆóÒµ¡¢Õþ¸®µÈ²¿ÃÅ×îÎªÖØÒªµÄ¼ÆËã»úÓ¦
ÓÃÖ®Ò»¡£´Ó´ó¶à ......

SQL Server 2008 r2 °²×°¹ý³Ì¼Ç¼

×òÍí£¬µ½Î¢Èí¹Ù·½ÏÂÁËÒ»¸ö32°æ±¾µÄTrial°æ±¾¡£ÎļþÃûΪSQLFULL_x86_ENU.exe¡£Îļþ´óСΪ1.30G×óÓÒ¡£ÒòΪֻÓÐ32λһ¸ö°æ
±¾£¬±ÈSQL Server  2008ÄǸö3GµÄҪС¶àÁË¡£ºÇºÇ¡£
http://www.microsoft.com/sqlserver/2008/en/us/R2Downloads.aspx 
ÏÂ
ÔØÍê³Éºó£¬ÏÈÐ¶ÔØÔ­À´µÄSQL Server 2008¡¡sp2,½á¹ûÕûÕûÔËÐÐÁËÁ½¸ ......

SQL Server BI Step by Step SSIS 1 ×¼±¸

SQL Server 2005 ºÍ2008ÌṩÁ˺ܶàеĺÍÔöÇ¿µÄÉÌÎñÖÇÄܹ¦ÄÜ,°üÀ¨ÀûÓü¯³É·þÎñ(SSIS)ÕûºÏ¶àÖÖÊý¾ÝÔ´;ÀûÓ÷ÖÎö·þÎñ(SSAS)ʹÊý¾ÝÄÚÈݸü·á¸»²¢ÇÒ½¨Á¢¸´ÔÓµÄÉÌÒµ·ÖÎö; ÒÔ¼°ÀûÓñ¨±í·þÎñ(SSRS)±à¼­,¹ÜÀí,ºÍÌá½»·á¸»µÄ±¨±í. Èç¹ûÄãÏÖÔÚ»¹²»Çå³þÕâЩ¹¦ÄÜ,ÄÇô½ÓÏÂÀ´Ò»ÏµÁеĽéÉÜ»áÈÃÄã¶ÔSQL ServerÏÖÔÚµÄÉÌÎñÖÇÄÜÖ§³Ö´ó³ÔÒ»¾ª.²»¹ý ......

SQL ServerËÀËø

 1. ËÀËøÔ­Àí
    ¸ù¾Ý²Ù×÷ϵͳÖе͍Ò壺ËÀËøÊÇÖ¸ÔÚÒ»×é½ø³ÌÖеĸ÷¸ö½ø³Ì¾ùÕ¼Óв»»áÊͷŵÄ×ÊÔ´£¬µ«Òò»¥ÏàÉêÇë±»ÆäËû½ø³ÌËùÕ¾Óò»»áÊͷŵÄ×ÊÔ´¶ø´¦ÓÚµÄÒ»ÖÖÓÀ¾ÃµÈ´ý״̬¡£
    ËÀËøµÄËĸö±ØÒªÌõ¼þ£º
»¥³âÌõ¼þ(Mutual exclusion)£º×ÊÔ´²»Äܱ»¹²Ïí£¬Ö»ÄÜÓÉÒ»¸ö½ø³ÌʹÓá£
ÇëÇóÓë±£³ÖÌ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ