SQL 利用企業管理器建立雇員信息數據庫，並定義以下基本表。謝謝了，急急急

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create table people(sno int(10) primary key, sname varchar(20) not null,sage int(5) not null,pno int(5) not null,ssalary int(10) not null)

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create table department(pno int(10) primary key,pname varchar(20) not null primary key,pnumber int(10) not null,phead varchar(20) not null)

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create table project(no int(10) primary key,name varchar(20) not null,pdepartment varchar(20) not null)

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