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create user Óû§Ãû identified by ÃÜÂë default tablespace ȱʡ±í¿Õ¼ä¡¡Temporary tablespace ÁÙʱ±í¿Õ¼ä;­
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grant connect,resource,dba to Óû§Ãû;­
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revoke unlimited tablespace from Óû§Ãû;­
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alter user Óû§Ãû quota 0 on Users;­
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alter user Óû§Ãû¡¡quota unlimited on Óû§È±Ê¡±í¿Õ¼ä;­
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--EXAMPLE:    USER NAME: GROUPCMS;     tablespace:GROUPCMS
--DROP USER GROUPCMS CASCADE;
create user GROUPCMS identified by ABC123 default tablespace GROUPCMS¡¡ ;
grant connect,resource,dba to GROUPCMS;
revoke unlimited tablespace from GROUPCMS;
alter user GROUPCMS quota 0 on Users;
alter user GROUPCMS¡¡quota unlimited on GROUPCMS;


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ORACLE ʹÓÃDBMS_METADATA.GET_DDL»ñÈ¡DDLÓï¾ä

Oracle ÔÚ9iÒԺ󣬿ÉÒÔÀûÓÃDBMS_METADATA.GET_DDL°üµÃµ½Êý¾Ý¿âµÄ¶ÔÏóµÄddl½Å±¾¡£ÈçÏ£¨SQLPLUSÖÐÖ´ÐУ©£º
1. »ñÈ¡µ¥¸öµÄ½¨±í¡¢ÊÓͼºÍ½¨Ë÷ÒýµÄÓï·¨
set pagesize 0
set long 90000
set feedback off
set echo off
spool DEPT.sql
select dbms_metadata. ......

Oracle¸ß¼¶¸´ÖÆ

 ÔÚ¿ªÊ¼Ö®Ç°£¬ÐèÒª¼òµ¥ËµÃ÷һϣ¬Ä¿Ç°¹«Ë¾Óм¸¸öÏîÄ¿¶¼²ÉÓÃOracle×÷ΪÊý¾Ý¿âƽ̨£¬²¢ÇÒÓеÄÏîĿʹÓõ½ÁËOracleµÄÊý¾Ý¿â¸´ÖƼ¼Êõ£¬ÆäÖÐÒ²Óöµ½ÁËһЩÎÊÌ⣬Òò´ËÔÚÕâÀÎÒ¶ÔOracleµÄ¸´ÖƼ¼Êõ̸һÏÂÎÒ¸öÈ˵ÄÀí½â£¬Ï£ÍûÄܹ»¶Ô²ÉÓÃOracleÊý¾Ý¿âµÄÏîÄ¿×éÓÐËù°ïÖú¡£ÆäÖÐÔÚÎÄÖÐʹÓõ½µÄSQL½Å±¾¶¼ÊǾ­¹ý¼ìÑé¿ÉÒÔÔËÐеġ£
¡¡¡¡Ê ......

oracle²åÈëʱÈçºÎ²åÈëuuId

 ÊÇÏëÉú³ÉGUIDÂð£¿
SQL> select   sys_guid() from dual ;
SYS_GUID()
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Äã¿ÉÒ԰ѱíµÄÖ÷¼ü×ֶεÄȱʡֵÉèΪsys_guid()
insert into luxian_info (id) values(sys_guid()); ......

oracle RAC µ×²ã½ø³Ì½éÉÜ

 1.GSD global services daemon 
oracle¹Ù·½ÎĵµµÄÃèÊö 
The Global Services Daemon (GSD) runs on each node with one GSD process per node. The GSD coordinates with the cluster manager to receive requests from clients such as the DBCA, EM, and the SRVCTL utility to execute administrative ......

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declare­
  STR VARCHAR2(400);­
begin­
  -- ÖØ½¨ORACLEË÷Òý­
  FOR TMP_IDX IN (SELECT TABLESPACE_NAME, OWNER, TABLE_NAME, INDEX_NAME­
                  &nb ......
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