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Running on Zero
File size: 3,938 Bytes
19dfd32 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | -- Sample employee database
-- See changelog table for details
-- Copyright (C) 2007,2008, MySQL AB
--
-- Original data created by Fusheng Wang and Carlo Zaniolo
-- http://www.cs.aau.dk/TimeCenter/software.htm
-- http://www.cs.aau.dk/TimeCenter/Data/employeeTemporalDataSet.zip
--
-- Current schema by Giuseppe Maxia
-- Data conversion from XML to relational by Patrick Crews
-- SQLite adaptation by Claude Code
--
-- This work is licensed under the
-- Creative Commons Attribution-Share Alike 3.0 Unported License.
-- To view a copy of this license, visit
-- http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to
-- Creative Commons, 171 Second Street, Suite 300, San Francisco,
-- California, 94105, USA.
--
-- DISCLAIMER
-- To the best of our knowledge, this data is fabricated, and
-- it does not correspond to real people.
-- Any similarity to existing people is purely coincidental.
--
PRAGMA foreign_keys = ON;
SELECT 'CREATING DATABASE STRUCTURE' as 'INFO';
DROP TABLE IF EXISTS dept_emp;
DROP TABLE IF EXISTS dept_manager;
DROP TABLE IF EXISTS title;
DROP TABLE IF EXISTS salary;
DROP TABLE IF EXISTS employee;
DROP TABLE IF EXISTS department;
DROP VIEW IF EXISTS dept_emp_latest_date;
DROP VIEW IF EXISTS current_dept_emp;
CREATE TABLE employee (
emp_no INTEGER NOT NULL,
birth_date DATE NOT NULL,
first_name TEXT NOT NULL,
last_name TEXT NOT NULL,
gender TEXT NOT NULL CHECK (gender IN ('M','F')),
hire_date DATE NOT NULL,
PRIMARY KEY (emp_no)
);
CREATE TABLE department (
dept_no TEXT NOT NULL,
dept_name TEXT NOT NULL,
PRIMARY KEY (dept_no),
UNIQUE (dept_name)
);
CREATE TABLE dept_manager (
emp_no INTEGER NOT NULL,
dept_no TEXT NOT NULL,
from_date DATE NOT NULL,
to_date DATE NOT NULL,
FOREIGN KEY (emp_no) REFERENCES employee (emp_no) ON DELETE CASCADE,
FOREIGN KEY (dept_no) REFERENCES department (dept_no) ON DELETE CASCADE,
PRIMARY KEY (emp_no,dept_no)
);
CREATE TABLE dept_emp (
emp_no INTEGER NOT NULL,
dept_no TEXT NOT NULL,
from_date DATE NOT NULL,
to_date DATE NOT NULL,
FOREIGN KEY (emp_no) REFERENCES employee (emp_no) ON DELETE CASCADE,
FOREIGN KEY (dept_no) REFERENCES department (dept_no) ON DELETE CASCADE,
PRIMARY KEY (emp_no,dept_no)
);
CREATE TABLE title (
emp_no INTEGER NOT NULL,
title TEXT NOT NULL,
from_date DATE NOT NULL,
to_date DATE,
FOREIGN KEY (emp_no) REFERENCES employee (emp_no) ON DELETE CASCADE,
PRIMARY KEY (emp_no,title,from_date)
);
CREATE TABLE salary (
emp_no INTEGER NOT NULL,
amount INTEGER NOT NULL,
from_date DATE NOT NULL,
to_date DATE NOT NULL,
FOREIGN KEY (emp_no) REFERENCES employee (emp_no) ON DELETE CASCADE,
PRIMARY KEY (emp_no,from_date)
);
CREATE VIEW dept_emp_latest_date AS
SELECT emp_no, MAX(from_date) AS from_date, MAX(to_date) AS to_date
FROM dept_emp
GROUP BY emp_no;
-- shows only the current department for each employee
CREATE VIEW current_dept_emp AS
SELECT l.emp_no, dept_no, l.from_date, l.to_date
FROM dept_emp d
INNER JOIN dept_emp_latest_date l
ON d.emp_no=l.emp_no AND d.from_date=l.from_date AND l.to_date = d.to_date;
SELECT 'LOADING department' as 'INFO';
.read load_department.sql
SELECT 'LOADING employee' as 'INFO';
.read load_employee.sql
SELECT 'LOADING dept_emp' as 'INFO';
.read load_dept_emp.sql
SELECT 'LOADING dept_manager' as 'INFO';
.read load_dept_manager.sql
SELECT 'LOADING title' as 'INFO';
.read load_title.sql
SELECT 'LOADING salary' as 'INFO';
.read load_salary1.sql |