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

ͼÎÄÏê½âÈçºÎÓÃPowerDesignerÉè¼ÆSQL Server

¹¤¾ß£º
Sybase PowerDesigner 12.5
Microsoft SQL Server 2005
µÚÒ»²½£º¸ÅÒªÉè¼Æ
´ò¿ªPowerDesignerÈí¼þ£¬Éè¼Æ“¸ÅÄîÊý¾ÝÄ£ÐÍ”(Conceptual Data Model)£º
 
ͼ1
Éè¼Æ±í½á¹¹£º
 
ͼ2
ÔÚÉè¼ÆÊôÐÔ(×Ö¶Î)µÄʱºò£¬Èý¸ö×Öĸ(M¡¢P¡¢D)·Ö±ð±íʾ£º
M£ºÊÇ·ñΪ¿Õ;(√±íʾ²»ÔÊÐíΪ¿Õ)
P£ºÊÇ·ñ뻅 ......

sql Óï¾ä´¦Àí ÈÕÆÚ´¦Àí

DATENAME([Year],
      dbo.reservation.begintime) + N'Äê' + CAST(DATEPART([Month],
      dbo.reservation.begintime) AS varchar) + N'ÔÂ' + DATENAME([Day],
      dbo.reservation.begintime) + N'ÈÕ' + DATENAME([Hour], dbo.r ......

ms sql server ´´½¨Óû§


SQL code
´´½¨½ÇÉ«£¬Óû§£¬È¨ÏÞ
/*--ʾÀý˵Ã÷
ʾÀýÔÚÊý¾Ý¿âpubsÖд´½¨Ò»¸öÓµÓбíjobsµÄËùÓÐȨÏÞ¡¢ÓµÓбítitlesµÄSELECTȨÏ޵ĽÇÉ«r_test
Ëæºó´´½¨ÁËÒ»¸öµÇ¼l_test£¬È»ºóÔÚÊý¾Ý¿âpubsÖÐΪµÇ¼l_test´´½¨ÁËÓû§ÕË»§u_test
ͬʱ½«Óû§ÕË»§u_testÌí¼Óµ½½ÇÉ«r_testÖУ¬Ê¹Æäͨ¹ýȨÏ޼̳лñÈ¡ÁËÓë½ÇÉ«r_t ......

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 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