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

ORACLE×ÔÔö³¤×Ö¶ÎʵÏÖ

Ê×ÏÈ£¬ÄãÒªÓÐÒ»ÕÅ±í£¡
        CREATE TABLE example(
              ID Number(4) NOT NULL PRIMARY KEY,
              NAME VARCHAR(25),
              PHONE VARCHAR(10),
              ADDRESS VARCHAR(50)
           );
      È»ºó£¬ÄãÐèÒªÒ»¸ö×Ô¶¨ÒåµÄsequence
      CREATE SEQUENCE emp_sequence
           INCREMENT BY 1 -- ÿ´Î¼Ó¼¸¸ö
           START WITH 1 -- ´Ó1¿ªÊ¼¼ÆÊý
           NOMAXVALUE -- ²»ÉèÖÃ×î´óÖµ
           NOCYCLE -- Ò»Ö±ÀÛ¼Ó£¬²»Ñ­»·
           NOCACHE -- ²»½¨»º³åÇø
      ÒÔÉÏ´úÂëÍê³ÉÁËÒ»¸öÐòÁÐ(sequence)µÄ½¨Á¢¹ý³Ì,Ãû³ÆÎªemp_sequence,·¶Î§ÊÇ´Ó1¿ªÊ¼µ½ÎÞÏÞ´ó(ÎÞÏÞ´óµÄ³Ì¶ÈÊÇÓÉÄã»úÆ÷¾ö¶¨µÄ),nocycle ÊǾö¶¨²»Ñ­»·,Èç¹ûÄãÉèÖÃÁË×î´óÖµÄÇôÄã¿ÉÒÔÓÃcycle »áʹseqµ½×î´óÖ®ºóÑ­»·.¶ÔÓÚnocache˳±ã˵һÏÂÈç¹ûÄã¸ø³öÁËcacheÖµÄÇôϵͳ½«×Ô¶¯¶ÁÈ¡ÄãµÄcacheÖµ´óС¸öseq
,ÕâÑùÔÚ·´¸´²Ù×÷ʱ»á¼Ó¿ìÔËÐÐËÙ¶È,µ«Èç¹ûÔâÓöÒâÍâÇé¿öÈçµ±»úÁË»òoracleËÀÁË,ÔòÏ´ÎÈ¡³öµÄseqÖµ½«ºÍÉϴεIJ»Á¬¹á.(Èç¹ûÁ¬²»Á¬¹áÎÞËùν½¨ÒéÓÃcache,ÒòΪʱ¼ä¾ÍÊǽðǮѽ!ÅÜÌâÁË£¡)
      Êé½ÓÉÏÎÄ£¬ÄãÖ»ÓÐÁ˱íºÍÐòÁл¹²»¹»£¬»¹ÐèÒªÒ»¸ö´¥·¢Æ÷À´Ö´ÐÐËü£¡´úÂëÈçÏ£º
      CREATE TRIGGER "´¥·¢Æ÷Ãû³Æ" BEFORE
           INSERT ON example FOR EACH ROW WHEN (new.id is null)
       begin
    &nbs


Ïà¹ØÎĵµ£º

¿ªÊ¼Ê¹ÓÃoracle ³ÂţѧIT

1£¬oracle tools£ºOUI¡¢DBCA¡¢OEM¡¢SQL*PLUS¡¢NETCA¡¢µÚÈý·½¹¤¾ß£¨toad¡¢PL\SQL developer£©
2£¬¿ÉʹÓÃresponsefile¿ìËÙȥͼÐΰ²×°oracle£¬ÔÚÔ´°²×°Îļþ/responseÀïÃæÓÐһЩģ°åÅäÖÃrpsÎļþ
3£¬Ô¤ÖÃÓû§ÊÇsysÓû§ÓësystemÓû§£ºsysÊÇoracleÊý¾Ý¿â
ÖÐȨÏÞ×î¸ßµÄÕʺţ¬¾ßÓÐcreate
databaseµÄȨÏÞ£¬¶øsystemûÓÐÕâ¸öȨÏÞ£ ......

Oracle Schema Objects

Introduction to Schema Objects
A schema is a collection of logical structures of data, or schema objects. A schema is owned by a database user and has the same name as that user. Each user owns a single schema. Schema objects can be created and manipulated with SQL and include the following types o ......

¸ü»»ORACLE±í¶ÔÏóËùÊôÓû§

 ÒÔǰÓиöÏîÄ¿½«Óû§±í½¨Á¢ÔÚÁËsystemÓû§ËùÊôÏ£¬ºóÀ´·¢¾õΣº¦Ï൱´ó£¬×¼±¸½«±í¶ÔÏó×ªÒÆµ½Ð½¨Á¢µÄLANDÓû§Ï£¬Ã»ÕÒµ½Ö±½ÓµÄ°ì·¨£¬ÓÃÒÔϰ취µÃÒÔʵÏÖ£º
1¡¢½¨Á¢ÐµÄLANDÓû§£¬ÔÚ·þÎñÆ÷µÄOracle Enterprise ManagerÀï·ÖÅä ¶ÔÏóȨÏÞ £¬Ìí¼Ó¶ÔsystemÖÐÊý¾Ý±í¶ÔÏóµÄ select  È¨ÏÞ¡£
2¡¢ÒÔ LAND Óû§µÇ¼£¬Ê¹ÓÃÃüÁ ......

ÈçºÎ½â¾ö¾ÖÓòÍøÖÐWindows·À»ðǽ²»ÄÜ·ÃÎÊOracleÎÊÌâ!


Èç¹ûÄãÊÇWINXP»òWIN2003µÄϵͳÖÐ×Ô´øµÄ·À»ðǽ,¿ÉÒÔÊÔÒ»ÏÂÒÔÏ·½·¨:
1.ÔÚ·À»ðǽµÄÀýÍâÖÐ,Ìí¼ÓORACLE.EXEÔËÐгÌÐò.(ÔÚoracle°²×°Ä¿Â¼ÕÒµ½binÎļþ¼ÐÖÐ)
2.ÔÙÔÚ·À»ðǽÀýÍâÖУ¬Ìí¼Ó¶Ë¿Ú1521¶Ë¿Ú¾ÍÑù¾ÖÓòÍøÄ򵀮äËû»úÆ÷¾Í¿ÉÒÔ·ÃÎÊÄãµÄORACLEÁË.
»òÕßÔڸ߼¶ÖÐ,Ñ¡Öе±Ç°Ê¹ÓõÄÍø¿¨,Ìí¼ÓIP,¶Ë¿ÚºÅ(1521),ÕâÑù,ÆäËû»úÆ÷Ò²¿ÉÒÔ·ÃÎ ......

oracle³£ÓÃÃüÁî

ORACLE³£ÓÃÃüÁî
Ò»¡¢ORACLEµÄÆô¶¯ºÍ¹Ø±Õ
1¡¢ÔÚµ¥»ú»·¾³ÏÂ
ÒªÏëÆô¶¯»ò¹Ø±ÕORACLEϵͳ±ØÐëÊ×ÏÈÇл»µ½ORACLEÓû§£¬ÈçÏÂ
su - oracle
a¡¢Æô¶¯ORACLEϵͳ
oracle>svrmgrl
SVRMGR>connect internal
SVRMGR>startup
SVRMGR>quit
b¡¢¹Ø±ÕORACLEϵͳ
oracle>svrmgrl
SVRMGR>connect&nb ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ