-- 部署テーブルの作成
DROP TABLE IF EXISTS employee;
DROP TABLE IF EXISTS department;
CREATE TABLE department (
     id_department   INT PRIMARY KEY IDENTITY(1,1)
    , nm_department  NVARCHAR(10) NOT NULL
);

-- 社員テーブルの作成（Question06から使用）
CREATE TABLE employee (
     id_employee     INT PRIMARY KEY IDENTITY(1,1)
    , nm_employee    NVARCHAR(50) NOT NULL
    , id_department  INT          NOT NULL REFERENCES department (id_department)
);

-- 部署テーブルの初期データ
INSERT INTO department (nm_department) VALUES ('営業部');
INSERT INTO department (nm_department) VALUES ('人事部');
INSERT INTO department (nm_department) VALUES ('開発部');
-- 以下の2件は所属する社員がいない部署（削除の演習で使用する）
INSERT INTO department (nm_department) VALUES ('東京支店');
INSERT INTO department (nm_department) VALUES ('大阪支店');

-- 社員テーブルの初期データ（Question06から使用）
INSERT INTO employee (nm_employee, id_department) VALUES ('山田太郎', 1);
INSERT INTO employee (nm_employee, id_department) VALUES ('鈴木花子', 2);
INSERT INTO employee (nm_employee, id_department) VALUES ('佐藤次郎', 3);
INSERT INTO employee (nm_employee, id_department) VALUES ('田中三郎', 1);