oracle ±í¿Õ¼ä ±íȨÏÞ Óû§
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startup nomount
alter database mount
alter database open
±¾Óû§¶ÁÈ¡ÆäËûÓû§¶ÔÏóµÄȨÏÞ:
¡¡¡¡select * from user_tab_privs;
±¾Óû§ËùÓµÓеÄϵͳȨÏÞ:
¡¡¡¡select * from user_sys_privs;
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ORACLEÖÐÊý¾Ý×ÖµäÊÓͼ·ÖΪ3´óÀà, ÓÃÇ°×ºÇø±ð£¬·Ö±ðΪ£ºUSER£¬ALL ºÍ DBA£¬Ðí¶àÊý¾Ý×ÖµäÊÓͼ°üº¬ÏàËÆµÄÐÅÏ¢¡£
USER_*:ÓйØÓû§ËùÓµÓеĶÔÏóÐÅÏ¢£¬¼´Óû§×Ô¼º´´½¨µÄ¶ÔÏóÐÅÏ¢
ALL_*£ºÓйØÓû§¿ÉÒÔ·ÃÎʵĶÔÏóµÄÐÅÏ¢£¬¼´Óû§×Ô¼º´´½¨µÄ¶ÔÏóµÄÐÅÏ¢¼ÓÉÏÆäËûÓû§´´½¨µÄ¶ÔÏ󵫸ÃÓû§ÓÐȨ·ÃÎʵÄÐÅÏ¢
DBA_*£ºÓйØÕû¸öÊý¾Ý¿âÖжÔÏóµÄÐÅÏ¢
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Oracle 10i
ALTER DATABASE DEFAULT TABLESPACE ÐÞ¸ÄÊý¾Ý¿âµÄĬÈϱí¿Õ¼ä
-----------------------------------
set echo off;
spool ²úÉú½Å±¾ÎļþµÄ·¾¶
select 'grant select,insert,delete,update on '|| table_name||' to Óû§Ãû;' from user_tables;
spool off;
select 'revoke select,insert,update,delete on '||table_name||' from Óû§Ãû;' from user_tables;
revoke select,insert,delete,update any table from Óû§Ãû with grant option;
--------------
grant select,insert,delete,insert,update any table to Óû§Ãû with grant option ;
Ð޸ıí ËùÊôµÄ±í¿Õ¼ä
alter table ±íÃû move tablespace ±í¿Õ¼äÃû
×¢Ò⣺Ôڴ˲Ù×÷Ö®ºó£¬Ò»¶¨Òª°Ñ±íÉϵÄË÷ÒýÖØ½¨£¬ alter index index-name rebuild
-------------------
´´½¨±í¿Õ¼äÓï¾ä£º
create tablespace tableName datafile 'e:oracle/dbName.dbf' size 1024M autoextend on next 100M maxsize unlimited;
Ïà¹ØÎĵµ£º
SQL> select * from emp where sal=800;
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
----- ---------- --------- ----- ----------- ----- ......
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Java´úÂë
sys;//ϵͳ¹ÜÀíÔ±£¬ÓµÓÐ×î¸ßȨÏÞ
system;//±¾µØ¹ÜÀíÔ±£¬´Î¸ßȨÏÞ
scott;//ÆÕͨÓû§£¬ÃÜÂëĬÈÏΪtiger,ĬÈÏδ½âËø
¶þ¡¢µÇ½
Java´úÂë
sqlplus conn / as sysdba;//µÇ½sysÕÊ»§ ......
. ´´½¨job
jobÊÇÊ²Ã´ÄØ? ¼òµ¥µÄ˵¾ÍÊǼƻ®(schedule)¼ÓÉÏÈÎÎñ˵Ã÷. ÁíÍ⻹ÓÐһЩ±ØÐëµÄ²ÎÊý.
ÕâÀïÌáµ½µÄ"ÈÎÎñ"¿ÉÒÔÊÇÊý¾Ý¿âÄÚ²¿µÄ´æ´¢¹ý³Ì,ÄäÃûµÄPL/SQL¿é,Ò²¿ÉÒÔÊDzÙ×÷ϵͳ¼¶±ðµÄ½Å±¾.
¿ÉÒÔÓÐÁ½ÖÖ·½Ê½À´¶¨Òå"¼Æ»®":
1) ʹÓÃDBMS_SCHDULER.CREATE_SCHEDULE ¶¨ÒåÒ»¸ö¼Æ»®;
2) µ÷ÓÃDBMS_SCHDULER.CREATE_JOBE¹ý³ÌÖ±½ÓÖ¸¶ ......
ÒòΪҵÎñÐèÒª,ÐÞÒªÐÞ¸Äij¸ö×Ö¶ÎÊý¾ÝÀàÐÍÓÐnumber(5),±äΪnumber(5,2)ÐÍ
ÒªÊÇûÓÐÊý¾ÝµÄ»°Ö±½ÓÓÃÒÔÏÂÓï¾ä¼´¿É
alter table tb_test modify permile number(5,2);
µ«ÊÇÓÐÊý¾ÝµÄ»° ¾Í²»ÄÜÓÃÉÏÃæ·½·¨ÁË,
alter table tb_test add permile_temp number(5,2)
update tb_test set permile_temp=permile;
alter t ......
OracleÊÚȨ
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GRANT Óï·¨£º
1.ÏÔʽÊÚȨ(Ö±½Ó½«¶ÔÏóÊÚȨ¸øÓû§)
GRANT privilege [, ...] ON object [, ...] TO { Public| Group | Username|role} [WITH GRANT OPTION ]
2.ÒþʽÊÚȨ(ͨ¹ý½«½ÇÉ«ÊÚȨ¸øÓû§)
GRANT role TO { Public| Group | Use ......