30 lines
1.3 KiB
SQL
30 lines
1.3 KiB
SQL
-- 部署テーブルの作成
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DROP TABLE IF EXISTS employee;
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DROP TABLE IF EXISTS department;
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CREATE TABLE department (
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id_department INT AUTO_INCREMENT PRIMARY KEY
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, nm_department VARCHAR(10) NOT NULL
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);
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-- 社員テーブルの作成（Question06から使用）
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CREATE TABLE employee (
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id_employee INT AUTO_INCREMENT PRIMARY KEY
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, nm_employee VARCHAR(50) NOT NULL
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, id_department INT NOT NULL
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, FOREIGN KEY (id_department) REFERENCES department (id_department)
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);
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-- 部署テーブルの初期データ
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INSERT INTO department (nm_department) VALUES ('営業部');
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INSERT INTO department (nm_department) VALUES ('人事部');
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INSERT INTO department (nm_department) VALUES ('開発部');
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-- 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）
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INSERT INTO department (nm_department) VALUES ('東京支店');
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INSERT INTO department (nm_department) VALUES ('大阪支店');
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-- 社員テーブルの初期データ（Question06から使用）
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INSERT INTO employee (nm_employee, id_department) VALUES ('山田太郎', 1);
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INSERT INTO employee (nm_employee, id_department) VALUES ('鈴木花子', 2);
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INSERT INTO employee (nm_employee, id_department) VALUES ('佐藤次郎', 3);
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INSERT INTO employee (nm_employee, id_department) VALUES ('田中三郎', 1);
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