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select userenv('language') from dual;
select * from V$NLS_PARAMETERS;
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export NLS_LANG="SIMPLIFIED CHINESE_CHINA.ZHS16GBK"
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export NLS_LANG="AMERICAN_AMERICA.UTF8"
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[oracle@testdb2 ~]$ sqlplus /nolog
SQL*Plus: Release 10.2.0.1.0 - Production on ÐÇÆÚÈý 5ÔÂ 20 08:56:15 2009
Copyright (c) 1982, 2005, Oracle. All rights reserved.
SQL> conn / as sysdba
Connected.
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount
ORACLE instance started.
Total System Global Area 285212672 bytes
Fixed Size 1218968 bytes
Variable Size 79693416 bytes
Database Buffers 197132288 bytes
Redo Buffers 7168000 bytes
Database mounted.
SQL> alter database noarchivelog;
Database altered.
SQL> ALTER SESSION SET SQL_TRACE=TRUE;
Session altered.
SQL> ALTER SYSTEM ENABLE RESTRICTED SESSION;
System altered.
SQL> ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;
System altered.
SQL> ALTER SYSTEM SET AQ_TM_PROCESSES=0;
System altered.
SQL> ALTER DATABASE OPEN;
Database altered.
SQL> ALTER DATA
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gengzhi
@gengzhi
-desktop:~$ su oracle
oracle@gengzhi
-desktop:~$ sqlplus
" scott/tiger as sysdba"
gengzhi@gengzhi-desktop:~$ s ......
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жװËùÓÐOracle²úÆ·£¬ ......
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--JOBS
DECLARE
X NUMBER;
BEGIN
SYS.DBMS_JOB.SUBMIT(job => X,
what => 'sp_test();',
next_date => to_date('28-04-2009 11:58:00',
'dd/mm/yyyy hh24:mi:ss'),
interval => 'SYSDATE+1');
END;
/
commit;
select to_char(sysdate-90,'yyyymmdd') from dual; --Ñ¡ÔñÈÕÆÚ
select * from ......
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create table t_escape(s varchar2(50));
--show define -- define "&" (hex 26)
--show escape -- escape off
set define off
set escape on
insert into t_escape values('string&text');
insert into t_escape values('string\&text');
insert into t_escape values('st ......