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create user user01 identified by u01;
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alter user user01 identified by usr01;
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password
Changing password for user01
Old password:
New password:
Retype new password:
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Password changed
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drop user user01;
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create table TN_TEST(
username varchar2(32),
userpass varchar2(32),
version number
)
ÒªÇóÒ»:
TN_TEST±íÖÐ×Ö¶Îversion
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/* Formatted on 2009-11-03 23:10:34 (QP5 v5.114.809.3010) */
--1²éÕÒϵͳÓû§»ù±¾ÐÅÏ¢ author:dezai
Select USER_ID,
&nb ......
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alter table tablename modify(name ,varchar2(10)) Áпí¶È²»µÃСÓÚÐÞ¸ÄǰµÄ¿í¶È
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ÊÓͼ v$logfile
alter database add logfile 'd:\orcl01.log' size 10m;//Ìí¼Ó×é
alter database add logfile member 'd:\orcl02.log' to group 4;//Ïò4×éÖÐÌí¼Ó³ÉÔ±
alter database drop logfile member 'd: ......