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Table Schemata.sql
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Table Schemata.sql
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-- DATA ENGINEERING
CREATE TABLE Employees (
emp_no INT NOT NULL,
birth_date date NOT NULL,
first_name VARCHAR NOT NULL,
last_name VARCHAR NOT NULL,
gender VARCHAR NOT NULL,
hire_date date NOT NULL,
PRIMARY KEY (emp_no)
);
SELECT * from Employees;
CREATE TABLE Departments (
dept_no VARCHAR NOT NULL,
dept_name VARCHAR NOT NULL,
PRIMARY KEY (dept_no)
);
SELECT * from Departments;
CREATE TABLE Department_Employees (
emp_no INT NOT NULL,
dept_no VARCHAR NOT NULL,
from_date date NOT NULL,
to_date date NOT NULL,
FOREIGN KEY (emp_no) REFERENCES Employees(emp_no),
FOREIGN KEY (dept_no) REFERENCES Departments(dept_no)
);
SELECT * from Department_Employees;
CREATE TABLE Department_Manager (
dept_no VARCHAR NOT NULL,
emp_no int NOT NULL,
from_date date NOT NULL,
to_date date NOT NULL,
FOREIGN KEY (emp_no) REFERENCES Employees(emp_no),
FOREIGN KEY (dept_no) REFERENCES Departments(dept_no)
);
SELECT * from Department_Manager;
CREATE TABLE Salaries (
emp_no int NOT NULL,
salary INTEGER NOT NULL,
from_date date NOT NULL,
to_date date NOT NULL,
FOREIGN KEY (emp_no) REFERENCES Employees(emp_no)
);
SELECT * from Salaries;
CREATE TABLE Titles (
emp_no int NOT NULL,
title VARCHAR NOT NULL,
from_date date NOT NULL,
to_date date NOT NULL,
FOREIGN KEY (emp_no) REFERENCES Employees(emp_no)
);
SELECT * from Titles;