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摘要： 1 create table aa 2 ( 3 a1 varchar2(20) 4 ); 5 6 7 insert into aa 8 values('2010-9-02'); 9 10 insert into aa11 values(to_date('2010/09/22','YYYY/MM/DD'));1215 16 select * from aa;1718 create table bb19 (20 a1 date21 );22 23 24 insert into bb25 values(to_date('2010/09/22&# 阅读全文