摘要： USE h CREATE TABLE zy1( empno INT, ename VARCHAR(10), job VARCHAR(10), mgr INT, hiredate DATE, sal DOUBLE, COOM DOUBLE, deptno INT ) DR... 阅读全文

摘要： CREATE TABLE class0328( id INT, cname VARCHAR(10), sex VARCHAR(5), age INT, birthday DATE, html DOUBLE, js DOUBLE, score DOUBLE ) DESC class0328; DROP TABLE class0328;... 阅读全文