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

SqlServer ²éѯsqlÖ´ÐÐʱ¼ä

ÔÚ²éѯ·ÖÎöÆ÷ÖÐÊäÈëÒÔÏÂÄÚÈÝ£º
set statistics profile on
set statistics io on
set statistics time on
go

go
set statistics profile off
set statistics io off
set statistics time off


Ïà¹ØÎĵµ£º

SQLÓï¾ä¾­µäʵÀý

ÎÞÂÛÄúÊÇһλ SQL µÄÐÂÊÖ£¬»òÊÇһλֻÊÇÐèÒª¶Ô SQL ¸´Ï°Ò»ÏµÄ×ÊÁϲִ¢Òµ½çÀϽ«£¬Äú¾ÍÀ´¶ÔµØ·½ÁË£¡
- SQL Ö¸Áî: SQL ÈçºÎ±»ÓÃÀ´´¢´æ¡¢¶ÁÈ¡¡¢ÒÔ¼°´¦ÀíÊý¾Ý¿âÖ®ÖеÄ×ÊÁÏ¡£
- ±í¸ñ´¦Àí: SQL ÈçºÎ±»ÓÃÀ´´¦ÀíÊý¾Ý¿âÖеıí¸ñ¡£
- SQLÓï·¨: ÕâÒ»Ò³ÁгöËùÓÐÔÚÕâ¸ö½Ì²ÄÖб»Ìáµ½µÄ SQL Óï·¨
SQL SELECT
Store_Information ±í¸ñ ......

ͬһ¸ö½»²æ±íµÄ¶¯Ì¬SQLʵÏÖ

DECLARE
 TYPE list IS TABLE OF t_stu.project%TYPE INDEX BY BINARY_INTEGER;
 project_list list;
 v_pro_num NUMBER;
 sql_str VARCHAR(255);
 
t_stu
SID SUBJECT SCORE
1        Êýѧ       &n ......

£¨×îгɹ¦£©Ãâ°²×°OracleÔËÐÐpl/sql developer

1.µ½http://www.oracle.com/technology/global/cn/software/tech/oci/instantclient/htdocs/winsoft.htmlÏÂÔØ
11.1.0.7.0 °æµÄ¼´Ê±¿Í»§¶Ë³ÌÐò°ü — Basic£¨²»ÊÇBasic Lite£©
2.½«ÏÂÔØµ½µÄÎļþ½âѹ£¬½âѹºóÎÒ½«Ä¿Â¼instantclient_11_1ÀïµÄÈ«²¿Îļþ¿½±´µ½ÁËÒ»¸öеÄĿ¼£ºE:\programs\OracleClient¡£ÄãÒ²¿ÉÒÔ²»¿½±´£¬Ö ......

ÈçºÎÓÃSQLÓï¾äÔÚÁ½¸öÊý¾Ý¿â¼ä¸´ÖÆ´æ´¢¹ý³Ì

 --1.ÔÚÄ¿±ê·þÎñÆ÷ÉϽ¨Á¢Èç϶ÔÏó(±»Í¬²½µÄ·þÎñÆ÷)  
   
  if   exists   (select   *   from   dbo.sysobjects   where   id   =   object_id(N'[sys_syscomments_bak]')   and   OBJECTPROPERTY(id,   N'IsUserTable')   ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ