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1¡¢su – oracle ²»ÊDZØÐ裬ÊʺÏÓÚûÓÐDBAÃÜÂëʱʹÓ㬿ÉÒÔ²»ÓÃÃÜÂëÀ´½øÈësqlplus½çÃæ¡£
2¡¢sqlplus /nolog »òsqlplus system/manager »ò./sqlplus system/manager@ora9i;
3¡¢SQL>connect / as sysdba ;£¨as sysoper£©»ò
connect internal/oracle AS SYSDBA ;(scott/tiger)
conn sys/change_on_install as sysdba;
4¡¢SQL>startup; Æô¶¯Êý¾Ý¿âʵÀý
5¡¢ ²é¿´µ±Ç°µÄËùÓÐÊý¾Ý¿â: select * from v$database;
select name from v$database;
desc v$databases; ²é¿´Êý¾Ý¿â½á¹¹×Ö¶Î
7¡¢ÔõÑù²é¿´ÄÄЩÓû§ÓµÓÐSYSDBA¡¢SYSOPERȨÏÞ:
SQL>select * from V_$PWFILE_USERS;
Show user;²é¿´µ±Ç°Êý¾Ý¿âÁ¬½ÓÓû§
8¡¢½øÈëtestÊý¾Ý¿â£ºdatabase test;
9¡¢²é¿´ËùÓеÄÊý¾Ý¿âʵÀý£ºselect * from v$instance£»
È磺ora9i
10¡¢²é¿´µ±Ç°¿âµÄËùÓÐÊý¾Ý±í£º
SQL> select TABLE_NAME from all_tables;
select * from all_tables;
SQL> select table_name from all_tables where table_name like ‘u’;
TABLE_NAME———————————————default_auditing_options
11¡¢²é¿´±í½á¹¹£ºdesc all_tables;
12¡¢ÏÔʾCQI.T_BBS_XUSERµÄËùÓÐ×ֶνṹ£º
desc CQI.T_BBS_XUSER;
13¡¢»ñµÃCQI.T_BBS_XUSER±íÖеļǼ£º
select * from CQI.T_BBS_XUSER;
14¡¢Ôö¼ÓÊý¾Ý¿âÓû§£º(test11/test)
create user test11 identified by test default tablespace users Temporary TABLESPACE Temp;
15¡¢Óû§ÊÚȨ:
grant connect,resource,dba to test11;
grant sysdba to test11;
commit;
16¡¢¸ü¸ÄÊý¾Ý¿âÓû§µÄÃÜÂ룺(½«sysÓësystemµÄÃÜÂë¸ÄΪtest.)
alter user sys indentified by test;
alter user system indentified by test;
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¡¡C:\>sqlplus /nolog
¡¡¡¡SQL*Plus: Release 9.2.0.1.0 - Production on ÐÇÆÚÈý 1ÔÂ 19 14:46:21 2005
¡¡¡¡Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
¡¡¡¡SQL> connect chanet/chanet@oradb;
¡¡¡¡ÒÑÁ¬½Ó¡£
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Create [or replace] trigger [ģʽ.]´¥·¢Æ÷Ãû
Before| after |instead of insert|delete|(update of ÁÐÃû)
{insert|delete|(update of ÁÐÃû) }
On ±íÃû|ÊÓͼ|ģʽÃû|Êý¾Ý¿âÃû
[for each row]
When Ìõ¼þ
PL/SQL¿é
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