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1. Ã¿ÌìµÄ8£º00µ½23£º00ÿ¸ô5·ÖÖÓÖ´ÐÐÒ»¸ösqlÓï¾äµÄJOB
--½¨Á¢Ò»¸ö´æ´¢¹ý³Ì
CREATE OR REPLACE PROCEDURE p_jobtest IS 
  v_hh VARCHAR2(2);
BEGIN
  v_hh := to_char(SYSDATE, 'hh24');
  IF v_hh >= '08' AND v_hh <= '22' THEN
    --ÄãµÄsqlÓï¾ä
    NULL;
  END IF;
END;
/
--Ìá½»Ò»¸öJOB
DECLARE
  v_jobno NUMBER;
BEGIN
  dbms_job.submit(v_jobno,
                  'p_jobtest;',
                  trunc(SYSDATE, 'mi') + 1 / 1440,
                  'trunc(SYSDATE, ''mi'') + 5 / 1440');
END;
/
2.  RMAN ÖеÄlist ÃüÁîÏÔʾµÄÐÅÏ¢ÊÇ´Ó¿ØÖÆÎļþÀï»ñÈ¡µÄ£¬Èç¹ûʹÓÃrmµÈÃüÁîÊÖ¹¤µÄɾ³ý±¸·ÝÎļþ£¬Õâ¸ö¶¯×÷²»»áͬ²½µ½¿ØÖÆÎļþ£¬Ôì³É²»Ò»Ö£¬ÕâÖÖ²»Ò»Ö»ᵼÖÂʹÓÃrmanʱ±¨´í¡£¿ÉÒÔʹÓÃdelete É¾³ýÕâЩ¹ýÆÚµÄ¼Ç¼£¬ÔÚÓþͲ»»á±¨´íÁË¡£ 
RMAN>crosscheck copy; 
RMAN>list co


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ORACLE¿Í»§¶ËÈí¼þÒ»°ãÐèÒªÓо­ÑéµÄ¿ª·¢ÈËԱͨ¹ýÈË»ú½»»¥µÄ·½·¨°²×°£¬°²×°Íê³Éºó»¹ÐèÔ ......

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update tablename set columnName='http://www.g.cn/cv2.jsp?spid=222&cid=333';
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Enter value for cid:
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³£ÓõÄһЩORACLEÃüÁî

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select C.column_name,C.TABLE_NAME from dba_tab_columns C where owner=''
²éÿ¸ö¿ÆÄ¿class ·ÖÊýscroǰÈýÃû
select id, name, class, scro
   from (select row_number() over(partition by class order by scro desc)  cnt,
    &n ......

Oracle 10g°²×°ÊÖ²á

(1)´´½¨ Oracle ×éºÍÓû§ÕÊ»§
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# /usr/sbin/groupadd oinstall
# /usr/sbin/groupadd dba
# /usr/sbin/useradd -m -g oinstall -G dba oracle
# id oracle
uid=501(oracle) gid=501(oinstall) groups=501(oinstall),502(dba)
ÉèÖà oracle ÕÊ»§µÄ¿ÚÁ
passwd oracle
(2)´´½¨Ä¿Â¼
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# mkdir -p /orac ......
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