1，数据库 （postgresql）

create database cloudDB01;

CREATE TABLE Dept ( deptno INT PRIMARY KEY, dname VARCHAR(50), db_source VARCHAR(50) );

INSERT INTO dept (deptno, dname, db_source) VALUES (1, 'Java1y', '1');

INSERT INTO dept (deptno, dname, db_source) VALUES (2, 'Java2y', '1');

INSERT INTO dept (deptno, dname, db_source) VALUES (3, 'Java3y', '1');

INSERT INTO dept (deptno, dname, db_source) VALUES (4, 'Java4y', '1');

INSERT INTO dept (deptno, dname, db_source) VALUES (5, 'Java5y', '1');