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 1. flashback table table_test to timestamp to_timestamp('20091103000000','yyyymmddhh24miss');
 2.Èç¹û報錯ORA-08189: cannot flashback the table because row movement is not enabled
 3.alter table table_test enable row movement;
 4.OK


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Oracle OFS FS10755 ±¨´íÎÊÌâµÄ½â¾ö·½·¨


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CREATE OR REPLACE VIEW SM_V_UNIT_AUTH AS
SELECT T2.UNIT_ID,
        T2.SUPER_UNIT_ID,
        T1.AUTH_ID,
        T1.AUTH_NAME,
        T1.A ......

ÔÚRedhat 5 ÉÏ°²×°Oracle 10g

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OracleÖÐUSERENVºÍSYS_CONTEXT×ܽá[ת]

 
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1¡¢ USERENV(OPTION)
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Oracle×Ö·û´®º¯Êý

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SQL> select ascii(’A’) A,ascii(’a’) a,ascii(’0’) zero,ascii(’ ’) space from dual; 
A A ZERO SPACE 
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2.CHR 
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