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Æô¶¯-------------------------------------------------------------------
 
Æô¶¯¼àÌý        Lsnrctl start ;
 
Æô¶¯ÊµÀý        oradim  -starup –sid orcl;
 
ȨÏÞ£º-----------------------------------------------------------------
 
´´½¨Óû§        create user lisi identified by lisi ;
 
´´½¨Óû§È¨ÏÞ    grant create session to lisi;
 
´´½¨±íȨÏÞ      grant create table to lisi;
 
´´½¨±í¿Õ¼äȨÏÞ  grant unlimited tablespace to lisi;
 
³·ÏúȨÏÞ        revoke create table from lisi;
 
²é¿´È¨ÏÞ        select * from user_sys_privs;(ÆäÖÐuser_sys_privsÊÇÒ»¸öÊÓͼ)£¨ÏµÍ³£©
 
²é¿´µ±Ç°ÊÚȨ    select * from user_tab_privs;(ÆäÖÐuser_tab_privs Êǵ±Ç°ÊÓͼ)£¨¶ÔÏó£©
 
²é¿´ÁÐÓÃÊý¾Ý×Öµäcol select * from user_col_privs
 
³·ÏúʹÓÿռäµÄȨÏÞ  revoke unlimited tablespace from lisi;
 
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ÔÚwangwuÖР grant select on mytab to lisi;  (²éѯÊÚȨ)
              grant insert on mytab to lisi;  (²åÈëÊÚȨ)
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1. ¸´ÖƱí½á¹¹¼°ÆäÊý¾Ý£º
create table table_name_new as select * from table_name_old
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create table table_name_new as select * from table_name_old where 1=2;
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create table table_name_new like table_name_old
3. Ö»¸´ÖƱíÊý¾Ý£º
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insert into table_name_ ......

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select  A.sid, b.serial#,
 decode(A.type,
    'MR', 'Media Recovery',
    'RT','Redo Thread',
    'UN','User Name',
    'TX', 'Transaction',
    'TM', ' ......

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2.Ê×ÏȽ¨Á¢ÏàÓ¦µÄ±í
create table test(ip1 number, ip2 number, locate varchar2(512),country varchar2(60),province varchar2(60),city varchar2(60))
3.д¿ØÖÆÎļþ city.ctl
load data
infile 'c:\city.txt'
append into table test
--when country='Öйú'
fields terminated by ','
(
ip1,
ip ......

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ÔËÐл·¾³2:mysql5.0 p ......

oracleÖеÄrownumαÁÐÉî²ã·ÖÎö

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