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delete from tbname where Äê·Ö <> '2009'

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SQL code:
delete from table1 where ÈÕÆÚ<to_date('20090101','yyyymmdd');


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SQL codedeletefrom table1where ÈÕÆÚ <to_date('20090101','yyyymmdd');


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È«²¿Çå¿Õ£ºtruncate table ***£»È»ºóÔÙinsert 2009µÄ£¬Ó¦¸Ã±Èdelete¿ì£¬×öÍêÖ®ºó£¬ÇëÖØÐÂÓÅ»¯Ë÷Òý¡£

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[code=SQL]
create table temp as select * from tab where ÈÕÆÚ >= to_date('20090101','yyyymmdd');
commit;
truncate table tab;
commit;
insert into tab as select * from temp;
commit;
drop table temp;


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