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jdbcÁ¬½ÓOracle

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ORACLE ROWID

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rowid¾ÍÊÇΨһ±êÖ¾¼Ç¼ÎïÀíλÖõÄÒ»¸öid£¬ÔÚoracle 8°æ±¾ÒÔǰ£¬rowidÓÉfile#+block#+row#×é³É£¬Õ¼ÓÃ6¸öbytesµÄ¿Õ¼ä£¬10 bit µÄ file# £¬22bit µÄ block# £¬16 bit µÄ row#¡£
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oracle install

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 /usr/sbin/groupadd oinstall
 /usr/sbin/groupadd dba
 /usr/sbin/useradd -g oinstall -G dba oracle
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OracleÊý¾Ý×ÖµäµÄµ¼³ö

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 SELECT  A.TABLE_NAME AS "±íÃû",A.COLUMN_NAME AS "×Ö¶ÎÃû",
 DECODE(A.CHAR_LENGTH,0,DECODE(A.DATA_SCALE,NULL,A.DATA_TYPE,A.DATA_TYPE||'('||A.DATA_PRECISION||','||A.DATA_SCALE||')'),
 A.DATA_TYPE||'('||A.CHAR_LENGTH||')') as "×Ö¶ÎÀàÐÍ1",A.DATA_TYPE AS "×Ö¶Î ......
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