oracle存储过程这句是什么意思
cursorcur_oldisselect*fromCDR_CDMA_UNICOM_04where'charge_date'between'20081001'and'20...
cursor cur_old is select * from CDR_CDMA_UNICOM_04 where 'charge_date' between '20081001' and '20081005' order by 'self_number','opp_number','charge_date','charge_time','CDR_TYPE'; 这句!
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