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

OracleÖеĴø²ÎÊýµÄÊÓͼ

OracleµÄÊÓͼ²»Ö§³Ö²ÎÊý
ÕâÀïÓÐÒ»¸öÁíÀàµÄ·½·¨£¬²»ÊǺܺ㬵«ÊÇ»¹ÊÇÒ»ÖÖ½â¾ö·½°¸
ͨ¹ýpackageʵÏÖ
create or replace package pkg_pv is
¡¡¡¡procedure set_pv(pv varchar2);
¡¡¡¡function get_pv return varchar2;
¡¡¡¡end;
¡¡¡¡create or replace package body pkg_pv is
¡¡¡¡v varchar2(20);
¡¡¡¡procedure set_pv(pv varchar2) is begin v:=pv; end;

¡¡¡¡function get_pv return varchar2 is begin return v; end;
¡¡¡¡end;
¡¡¡¡´´½¨´ø²ÎÊÓͼ
¡¡¡¡create view v_emp as select * from emp where ename=pkg_pv.get_pv();
¡¡¡¡µ÷Óùý³Ì£¬½á¹ûÕýÈ·Ö´ÐÐ
¡¡¡¡begin
¡¡¡¡pkg_pv.setpv('scotte');
¡¡¡¡end;
¡¡¡¡select * from v_emp;
¡¡¡¡°´ÕÕ´Ë·½·¨ÎÒÃÇ¿ÉÒÔ°Ñͨ¹ý°üµÄÐÎʽÀ´´´½¨Ò»¸öϵͳ±äÁ¿£¬Í¨¹ýÔÚÔËÐÐʱÉèÖÃÆäÖµ¡£À´»ñµÃ¶ÔһЩÐèÒªÔÚÔËÐÐʱÓв»Í¬ÖµÐèÇóµÄÒµÎñ´¦Àí×÷һЩ¸ü¼ò»¯µÄ´¦Àí¡£±¾ÀýÖÐÎÒÃÇÉõÖÁ¿ÉÒÔÔÚ°üÌåÀïÃæËüÉèÒ»¸ö³õʼֵ£¬Èç¹û²»µ¥¶ÀÉèÖÃʱ£¬¾Í²ÉÓóõÖµ¡£ÕâÑù¾Í¿ÉÒÔ»ñµÃ¸ü´óµÄÁé»îÐÔ
ËÑË÷¸ü¶àÏà¹ØÖ÷ÌâµÄÌû×Ó: View
PLSQL

ÌṩOracle¹ÜÀí/¹ÊÕÏ´¦Àí/ÓÅ»¯/°²×°/RAC/±¸·Ý»Ö¸´¼¼Êõ·þÎñ,ÌṩרҵµÄOracleÅàѵºÍ×Éѯ·þÎñ¡£

Óʼþ: inthirties@gmail.com
MSN: inthirties@hotmail.com
QQ: inthirties@qq.com
רҵÂÛ̳ http://www.inthirties.com
¼¼Êõ²©¿Í http://blog.csdn.net/inthirties
¸öÈËÕ¾µã http://blog.inthirties.com



Ïà¹ØÎĵµ£º

Oracle Parameter

ÔÚʵ¼Ê¿ª·¢ÖУ¬¾­³£»áÐèÒª¶ÔÊý¾Ý¿â½øÐзÃÎÊ£¬×î³£¼ûµÄ¿ª·¢·½·¨¾ÍÀàËÆ£º
¡¡¡¡string sql = "select * from table1 where name = '" + name + "'";
¡¡¡¡ÕâÖÖ·½Ê½Óб»×¢Èë¹¥»÷µÄΣÏÕ
¡¡¡¡ËùÒÔ½â¾ö·½°¸ÓÐ2ÖÖ£º
¡¡¡¡1¡¢¸Ä³É£ºstring sql = "select * from table1 where name = '" + name.Replace("'","''") + "'"; // Ìæ»»Ò» ......

²é¿´oracleÖ´Ðмƻ®

ÈÕ³£¿ª·¢»î¶¯ÖУ¬ÓÐʱºòÐèÒª¶ÔoracleÖ´Ðмƻ®½øÐÐ¼à¿Ø£¬ÒÔ´ËÀ´µ÷ÓųÌÐòºÍÊý¾Ý¿â·½ÃæµÄÐÔÄÜ¡£
³£Ó÷½·¨ÓÐÒÔϼ¸ÖÖ£º
Ò»¡¢Í¨¹ýPL/SQL Dev¹¤¾ß
    1¡¢Ö±½ÓFile->New->Explain Plan Window£¬ÔÚ´°¿ÚÖÐÖ´ÐÐsql¿ÉÒԲ鿴¼Æ»®½á¹û¡£ÆäÖУ¬Cost±íʾcpuµÄÏûºÄ£¬µ¥Î»Îªn%£¬Cardinality±íʾִÐеÄÐÐÊý£¬µÈ¼ÛRow ......

oracle¹¤¾ß»·¾³


SQLPlusÊÇoracleÌṩµÄÒ»¸öÃüÁîÐÐÖ´ÐеŤ¾ß
SQLPlusÖÐÓÃÁ½ÖÖÃüÁ
    sqlplus£ºÒÔÃüÁîÐеķ½Ê½½øÈëÊý¾Ý¿âÁ¬½Ó
    sqlplusw£ºÒÔ´°¿ÚµÄÐÎʽÆô¶¯ÃüÁîÐй¤¾ß  ×¢£ºÖ÷»ú×Ö·û´®£¬ÊäÈëÊý¾Ý¿âÃû³Æ
             &n ......

Oracleѧϰ±Ê¼Ç

ȨÏÞ¹ÜÀí
Oracle 9i
3¸öĬÈÏÓû§
sys(³¬¼¶¹ÜÀíÔ±)       ĬÈÏÃÜÂ룺change_on_install
system£¨ÆÕͨ¹ÜÀíÔ±£©
ĬÈÏÃÜÂ룺manager
scott£¨ÆÕͨÓû§£©       ĬÈÏÃÜÂ룺tiger
Oracle 10g
sys£¨ÃÜÂëÔÚ°²×°Ê±ÉèÖã©
system£¨ÃÜÂëÔÚ°²×°Ê±ÉèÖã©
scott(ĬÈÏËø¶¨£¬ÏëÓõýâËø)
Æô¶¯Windo ......

½â¶ÁOracleÖ®Ò»£º°²×°Oracle

°²×°¸ÅÊö
±¾Æª½éÉÜÈçºÎ°²×°OracleÈí¼þ£¬Òª°²×°OracleÈí¼þÍÆ¼öʹÓÃOracleͨÓð²×°¡£OracleͨÓð²×°³ÌÐòÊÇÒ»¸öͼÐÎÓû§½çÃæ£¨GUI£©¹¤¾ß£¬Ê¹Äú¿ÉÒԲ鿴OracleÈí¼þÒÑÔÚ¼ÆËã»úÉϰ²×°»ò°²×°ÐµÄOracleÈí¼þ£¬²¢Ð¶ÔØOracleÈí¼þ£¬ÒÔϽ«Ð­ÖúÄúÍê³É°²×°¹ý³Ì¡£
¼ì²éÏȾöÌõ¼þ
°²×°³ÌÐò֮ǰ£¬Oracle¹«Ë¾Ö´ÐÐÒ»¸öÏȾöÌõ¼þ¼ì²éµÄ×Ô¶¯±àº ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ