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schema.sql
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schema.sql
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-- Create the titles table & check table data import
CREATE TABLE titles (
title_id VARCHAR(10) PRIMARY KEY,
title_name VARCHAR(30) NOT NULL
);
SELECT
*
FROM
titles;
-- Create an employees table & check table data import
CREATE TABLE employees (
emp_no INTEGER PRIMARY KEY,
emp_title_id VARCHAR(10) NOT NULL,
FOREIGN KEY (emp_title_id) REFERENCES titles(title_id),
birth_data date,
first_name VARCHAR(40) NOT NULL,
last_name VARCHAR(40) NOT NULL,
sex VARCHAR NOT NULL,
hire_date date
);
SELECT
*
FROM
employees;
-- Create an departments table & check table data import
CREATE TABLE departments (
dept_no VARCHAR(10) PRIMARY KEY,
dept_name VARCHAR(20)
);
SELECT
*
FROM
departments;
-- Create an dept_manager table & check table data import
CREATE TABLE dept_manager (
dept_no VARCHAR(10) NOT NULL,
FOREIGN KEY (dept_no) REFERENCES departments(dept_no),
emp_no INTEGER NOT NULL,
FOREIGN KEY (emp_no) REFERENCES employees(emp_no)
);
SELECT
*
FROM
dept_manager;
-- Create an dept_emp table & check table data import
CREATE TABLE dept_emp (
emp_no INTEGER NOT NULL,
FOREIGN KEY (emp_no) REFERENCES employees(emp_no),
dept_no VARCHAR(10) NOT NULL,
FOREIGN KEY (dept_no) REFERENCES departments(dept_no)
);
SELECT
*
FROM
dept_emp;
-- Create salaries table & check table data import
CREATE TABLE salaries (
emp_no INTEGER NOT NULL,
FOREIGN KEY (emp_no) REFERENCES employees(emp_no),
salary MONEY
);
SELECT
*
FROM
salaries;