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

¹ØÓÚSQLµÄ×óÓÒÁ¬½Ó²éѯ

Ò»Ö±ÒÔÀ´¶ÔÓÚSQLµÄ²éѯ¶¼Ã»ÔõôÔÚÒ⣬½ñÌìÓöµ½Ò»¸ö¹ØÓÚ×óÁ¬½Ó²éѯµÄÎÊÌâ¡£
Select  uId ,uName,dpName
from users
left join dpart
on  users.pid=1 where u.pid=dpart.pid
½á¹ûÊǰÑusersËùÓнá¹û²éѯ³öÀ´£¬¶ø²»ÊÇpidΪ1µÄÓû§
Ô­À´onºóÃæ±ØÐë·ÅÁ¬½ÓÌõ¼þ£¬ÆäËûµÄÌõ¼þ·ÅÔÚwhereÀïÃæ
¸ÐлÏÄ»¶Ìá³ö


Ïà¹ØÎĵµ£º

SQL DBA Interview question and answer


<!--
/* Font Definitions */
@font-face
{font-family:SimSun;
panose-1:2 1 6 0 3 1 1 1 1 1;
mso-font-alt:ËÎÌå;
mso-font-charset:134;
mso-generic-font-family:auto;
mso-font-pitch:variable;
mso-font-signature:3 135135232 16 0 262145 0;}
@font-face
{font-family:"Cambria Mat ......

[ÍÆ¼ö] Éî¶È¶Ô±ÈOracleÓëSQL Server [1]

±¾ÒëÎIJÉÓÃ֪ʶ¹²ÏíÊðÃû-·ÇÉÌÒµÐÔʹÓÃ-Ïàͬ·½Ê½¹²Ïí 3.0 UnportedÐí¿ÉЭÒé·¢²¼£¬×ªÔØÇë±£Áô´ËÐÅÏ¢
ÒëÕߣºÂí³ÝÜÈ | Á´½Ó£ºhttp://www.dbabeta.com/2010/oracle-sql-server-comparison-i.html
×÷ÕߣºSadequl Hussain | Ô­ÎÄ£ºhttp://www.sql-server-performance.com/articles/dba/oracle_sql_server_comparison_p1.aspx
Ò» ......

Óû§saµÇ¼ʧ°Ü,¸ÃÓû§Óë¿ÉÐÅsql serverÁ¬½ÓÎÞ¹ØÁª

½ñÌì²âÊÔwebÏîĿн¨ÁËÒ»¸öÊý¾Ý¿â£¬½á¹û±¨´í,ÒÔǰµÇ¼ֱ½ÓÑ¡Ôñ'WindowsÉí·ÝÑéÖ¤',²¢Ã»ÓÐʲôÎÊÌâ³öÏÖ!¿Éǰ¶Îʱ¼ä²ÉÓÃ'SQLSERVERÉí·ÝÑéÖ¤'È¥µÇ¼,ËæÖ®µÄÎÊÌâ¾ÍÀ´ÁË.ÎÞÂÛÓÃʲô·½·¨¾ÍÊÇÒ»¸ö½á¹û³ö´í! ³ö´íµÄÔ­ÒòÊÇ:'Óû§ 'sa' µÇ¼ʧ°Ü¡£¸ÃÓû§Óë¿ÉÐÅ SQL Server Á¬½ÓÎÞ¹ØÁª'.½ñÌìÉÏÍøÉϲéÁ˰ëÌ컹ÊǸ㲻¶¨,×îºó¾­¹ýÍøÉϺÍÊéÉ ......

SQLº¯Êý:ÊÂÎñʵÀý ΰÉÙÌìµØ

ÊÂÎñ¾ÍÊǸºÔð°ÑһϵÁвÙ×÷¿´×öÒ»¸ö¶ÀÁ¢µÄÂß¼­µ¥Ôª£¬ÕâЩ²Ù×÷Ҫôͬʱ³É¹¦£¬ÒªÃ´Í¬Ê±Ê§°Ü¡£ÏÂÃæÊÇÒ»¸ö¾­µäµÄÀý×Ó£º
create procedure TransferMoeny
(
    @fromAccountNo varchar(50),-- ×ª³öÕ˺Å
    @ToAccountNo varchar(50),--תÈëÕ˺Å
 & ......

²Â²Â¿´£¬Hibernate»áÖ´Ðм¸¾äSQL(Ò»)

POEAAÖнéÉÜÁËORMÖÐ×îÖØÒªµÄģʽ֮һ£ºUnit Of Work¡£¿´ËƼòµ¥£¬ÊµÏÖÆðÀ´È´·Ç³£¸´ÔÓ¡£
HibernateÍêÃÀµÄʵÏÖÁËÕâ¸öģʽ¡£ÒÔÏÂÎÒÓÃһϵÁеÄÀý×ÓÀ´·ÖÎöHibernateµÄ´¦Àí»úÖÆ
ÏÂÃæÓÐÈý¸öÀý×Ó£¬²Â²Â¿´Hibernate»áÖ´Ðм¸¾äSQL(Ê¡ÂÔÊÂÎñ´¦Àí´úÂ룬ʵÌå¶ÔÏó½ÐUser£¬¼ÙÉèÖ÷¼üÊÇ×ÔÔöÐ͵Ä)
Àý1:
User user = new User();
user.setN ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ