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 1¡¢µÇ¼linux£¬ÒÔoracleÓû§µÇ¼£¨Èç¹ûÊÇrootÓû§µÇ¼µÄ£¬µÇ¼ºóÓà su - oracleÃüÁîÇл»³ÉoracleÓû§£©
 2¡¢ÒÔsysdba·½Ê½À´´ò¿ªsqlplus£¬ÃüÁîÈçÏ£º sqlplus "/as sysdba"
 3¡¢²é¿´ÎÒÃdz£¹æ½«Óû§±í¿Õ¼ä·ÅÖÃλÖãºÖ´ÐÐÈçÏÂsql£º
select name from v$datafile;
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CREATE TABLESPACE NOTIFYDB DATAFILE '/oracle/oradata/test/notifydb.dbf' SIZE 200M AUTOEXTEND ON EXTENT MANAGEMENT LOCAL SEGMENT SPACE MANAGEMENT AUTO;
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CREATE USER hc_notify IDENTIFIED BY hc_password DEFAULT TABLESPACE NOTIFYDB;
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grant connect,resource to hc_notify;
grant unlimited tablespace to hc_notify;
grant create database link to hc_notify;
grant select any sequence,create materialized view to hc_notify;
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create or replace procedure inserttestdata
(
   v_count        in   number,
   v_startuserid  in   varchar2,
   v_returnval    out  number )
as
   v_opertime    ......

oracle·ÖÒ³¾ÍÓÃÕâÒ»¾ä

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SELECT * from (SELECT temp.*, ROWNUM RN from (SELECT * from USERS ORDER BY ID DESC) temp) WHERE RN > 0 AND RN <= 10
SELECT *  
  from (SELECT AA.*, ROWNUM RN   ......

linux c alarm(0)µÄº¬Òå

Linux C¡¡¡¡alarmº¯Êý---Çë¿´×îºó
¡¡¡¡alarmÒ²³ÆÎªÄÖÖÓº¯Êý£¬Ëü¿ÉÒÔÔÙ½ø³ÌÖÐÉèÖÃÒ»¸ö¶¨Ê±Æ÷£¬µ±¶¨Ê±Æ÷Ö¸¶¨µÄʱ¼äµ½Ê±£¬ËüÏò½ø³Ç·¢ËÍSIGALARMÐźš£Òª×¢ÒâµÄÊÇ£¬Ò»¸ö½ø³ÌÖ»ÄÜÓÐÒ»¸öÄÖÖÓʱ¼ä£¬Èç¹ûÔÚµ÷ÓÃalarm֮ǰÒÑÉèÖùýÄÖÖÓʱ¼ä£¬ÔòÈκÎÒÔǰµÄÄÖÖÓʱ¼ä¶¼±»ÐÂÖµËù´úÌæ¡£
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¡¡¡¡#include<unistd.h>
º¯Ê ......

linuxÖгö´í´¦Àí

linuxÖУ¬ÔÚÖ§³Ö¶àÏ̵߳Ļ·¾³ÖУ¬Í¨³£Ã¿¸öÏ̶߳¼ÓÐÊôÓÚ×Ô¼ºµÄerrno±äÁ¿£¬ÊÇÓÃÀ´±íÊ¾ÌØ¶¨´íÎóµÄ³£Á¿¡£
ÒÔÏÂÊÇ<errno.h>Öж¨ÒåµÄËùÓгö´íerrno³£Á¿
#define EPERM            1      /* Operation not permitted */
#define ENOEN ......

UNIX/linuxϵͳÏÂFTP×Ô¶¯ÉÏ´«Îļþ½Å±¾

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expect ftplinux.txt 10.0.15.22 ftplinux.txt
ftplinux.txt ÖÐÄÚÈÝÈçÏ£º
--¿ªÊ¼-----
spawn ftp [lindex $argv 0]
expect "Name(*):"
send "ftp\r"
expect "Password:*"
send "hell05a\r"
expect "ftp> ......
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