创建表: DROP TABLE DEPT; --部门表 CREATE TABLE DEPT( DEPTNO int PRIMARY KEY, DNAME ) , --部门名称 LOC ) ---部门地址 ) ; CREATE TABLE DEPT( DEPTNO int PRIMARY KEY, DNAME ) , LOC ) ) ; ,'ACCOUNTING','NEW YORK'); ,'RESEARCH','DALLAS'); ,'SALES','CHICAGO'); ,'OPERATIO…