日期:2014-05-17 浏览次数:20749 次
CREATE TABLE T180 ( SaleDate DATE, cnt NUMBER(3) ); INSERT INTO T180 VALUES(to_date('20120401', 'YYYYMMDD'), 2); INSERT INTO T180 VALUES(to_date('20120402', 'YYYYMMDD'), 4); INSERT INTO T180 VALUES(to_date('20120415', 'YYYYMMDD'), 6); INSERT INTO T180 VALUES(to_date('20120420', 'YYYYMMDD'), 8);