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Æô¶¯¼àÌý Lsnrctl start ;
Æô¶¯ÊµÀý oradim -starup –sid orcl;
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´´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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ÆÕͨÓû§ÊÚȨÈçÒªÔÚlisiÓû§ÀïÃæ·ÃÎÊwangwuµÄÓû§¾ÍÒªÉ趨
ÔÚwangwuÖÐ 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
2. Ö»¸´ÖƱí½á¹¹£º
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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--²éËÀËøµÄ»á»°¡£
select A.sid, b.serial#,
decode(A.type,
'MR', 'Media Recovery',
'RT','Redo Thread',
'UN','User Name',
'TX', 'Transaction',
'TM', ' ......
1.ʹÓÃsqlldr
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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