SQL »ù±¾²Ù×÷ ɾ³ý ÐÞ¸Ä Ë¢ÐÂ
SQL³£ÓÃÃüÁîʹÓ÷½·¨£º
(1) Êý¾Ý¼Ç¼ɸѡ£º
sql="select * from Êý¾Ý±í where ×Ö¶ÎÃû=×Ö¶ÎÖµ order by ×Ö¶ÎÃû [desc]"
sql="select * from Êý¾Ý±í where ×Ö¶ÎÃû like '%×Ö¶ÎÖµ%' order by ×Ö¶ÎÃû [desc]"
sql="select top 10 * from Êý¾Ý±í where ×Ö¶ÎÃû order by ×Ö¶ÎÃû [desc]"
sql="select * from Êý¾Ý±í where ×Ö¶ÎÃû in ('Öµ1','Öµ2','Öµ3')"
sql="select * from Êý¾Ý±í where ×Ö¶ÎÃû between Öµ1 and Öµ2"
(2) ¸üÐÂÊý¾Ý¼Ç¼£º
sql="update Êý¾Ý±í set ×Ö¶ÎÃû=×Ö¶ÎÖµ where Ìõ¼þ±í´ïʽ"
sql="update Êý¾Ý±í set ×Ö¶Î1=Öµ1,×Ö¶Î2=Öµ2 …… ×Ö¶În=Öµn where Ìõ¼þ±í´ïʽ"
(3) ɾ³ýÊý¾Ý¼Ç¼£º
sql="delete from Êý¾Ý±í where Ìõ¼þ±í´ïʽ"
sql="delete from Êý¾Ý±í" (½«Êý¾Ý±íËùÓмǼɾ³ý)
(4) Ìí¼ÓÊý¾Ý¼Ç¼£º
sql="insert into Êý¾Ý±í (×Ö¶Î1,×Ö¶Î2,×Ö¶Î3 …) valuess (Öµ1,Öµ2,Öµ3 …)"
sql="insert into Ä¿±êÊý¾Ý±í select * from Ô´Êý¾Ý±í" (°ÑÔ´Êý¾Ý±íµÄ¼Ç¼
Ïà¹ØÎĵµ£º
×òÌìÔÚ½«Ò»¸ö SQL Server 2000 Êý¾Ý¿â¸½¼Óµ½ SQL Server 2008 ʱ³öÏÖÈçϵĴíÎó£º
¸½¼ÓÊý¾Ý¿â ¶ÔÓÚ ·þÎñÆ÷“servername”ʧ°Ü¡£ (Microsoft.SqlServer.Smo)
ÎÞ·¨Éý¼¶Êý¾Ý¿â ‘dbname’£¬ÒòΪËüÊÇÖ»¶ÁµÄ£¬»òÕß¾ßÓÐÖ»¶ÁÎļþ¡£Ç뽫Êý¾Ý¿â»òÎļþÉèΪ¿Éд£¬È»ºóÖØÐÂÔËÐлָ´²Ù×÷¡£ (Microsoft SQL S ......
¡¡²Ù×÷·ûÓÅ»¯
¡¡¡¡IN ²Ù×÷·û
¡¡¡¡ÓÃINд³öÀ´µÄSQLµÄÓŵãÊDZȽÏÈÝÒ×д¼°ÇåÎúÒ×¶®£¬Õâ±È½ÏÊʺÏÏÖ´úÈí¼þ¿ª·¢µÄ·ç¸ñ¡£
¡¡¡¡µ«ÊÇÓÃINµÄSQLÐÔÄÜ×ÜÊDZȽϵ͵쬴ÓORACLEÖ´ÐеIJ½ÖèÀ´·ÖÎöÓÃINµÄSQLÓë²»ÓÃINµÄSQLÓÐÒÔÏÂÇø±ð£º
¡¡¡¡ORACLEÊÔͼ½«Æäת»»³É¶à¸ö±íµÄÁ¬½Ó£¬Èç¹ûת»»²»³É¹¦ÔòÏÈÖ´ÐÐINÀïÃæµÄ×Ó²éѯ£¬ÔÙ²éѯÍâ²ãµÄ±í¼Ç¼£ ......
SQL like×Ó¾äµÄÁíÒ»ÖÖʵÏÖ·½·¨,ËٶȱÈlike¿ì(ת)
Ò»°ãÀ´ËµÊ¹ÓÃÄ£ºý²éѯ£¬´ó¼Ò¶¼»áÏëµ½LIKE
select * from table where a like '%×Ö·û%'
Èç¹ûÒ»¸öSQLÓï¾äÖÐÓöà¸ö likeÄ£ºý²éѯ£¬²¢ÇҼǼÌõÊýºÜ´ó£¬ÄÇËÙ¶ÈÒ»¶¨»áºÜÂý¡£
ÏÂÃæÁ½ÖÖ·½·¨Ò²¿ÉʵÏÖÄ£ºý²éѯ£º
select * from table where patindex('%×Ö·û%',a)>0 ......
½ñÌìÔÚÒ»¸öVPSÉϰ²×°sql2005£¬°²×°ºÃºó±¾µØÒ»Ö±Á¬½Ó²»ÉÏ
¼ò½é
ÔÚ³¢ÊÔ´ÓÔ¶³Ì¼ÆËã»úÁ¬½Óµ½ Microsoft SQL Server 2005 ʵÀýʱ£¬¿ÉÄÜ»á½ÓÊÕµ½´íÎóÏûÏ¢¡£ÔÚʹÓÃÈκγÌÐòÁ¬½Óµ½ SQL Server ʱ¶¼¿ÉÄܻᷢÉú´ËÎÊÌâ¡£ÀýÈ磬ÔÚʹÓà SQLCMD ʵÓù¤¾ßÁ¬½Óµ½ SQL Server ʱÊÕµ½ÒÔÏ´íÎóÏûÏ¢£º
Sqlcmd:´íÎó:Microsoft SQL Native Cli ......