摘要：
create table test_table( IDNUM NUMBER, CAT VARCHAR2(200), PRICE NUMBER);INSERT INTO test_table VALUES(1,'',10);INSERT INTO test_table VALUES(2,'cat1',10);INSERT INTO test_table VALUES(3,'cat1',3);INSERT INTO test_table VALUES(4,'cat2',11);INSERT INTO test_table VALUES 阅读全文
posted @ 2011-12-21 16:00 denise28 阅读(276) 评论(0) 推荐(0) 编辑