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exp Óû§Ãû/ÃÜÂë@Êý¾Ý¿âÃû file=ÐèÒª±£´æµÄÎļþ.dmp tables=£¨A±í,B±í....£© log=ÈÕÖ¾.log
exp jjeto_eim_user/jjetoeimuser@EIM ......

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ÎÒÃÇÖªµÀ,ÔÚOracleÊý¾Ý¿âÖÐ,¿ÉÒÔͨ¹ýkill sessionµÄ·½Ê½À´ÖÕÖ¹Ò»¸ö½ø³Ì,Æä»ù±¾Óï·¨½á¹¹Îª:
alter system kill session 'sid,serial#' ;
±»killµôµÄsession,״̬»á±»±ê¼ÇΪkilled,Oracle»áÔÚ¸ÃÓû§ÏÂÒ»´ÎtouchʱÇå³ý¸Ã½ø³Ì.
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       col_name,
       SUBSTR(col_name, 1, INSTR(col_name || ',', ',', 1, 1) - 1) C1,
       SUBSTR(col_name,
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Oracle lpad º¯Êý

Oracle lpad º¯Êý£º
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Oracle lpadº¯Êý½«×ó±ßµÄ×Ö·û´®Ìî³äһЩÌض¨µÄ×Ö·û£¬ÆäÓï·¨¸ñʽÈçÏ£º
lpad( string1, padded_length [, pad_string ] )
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padde ......
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