Engineering Project Management Database David H. Williams CS 610

Departmental Needs Employee Information Contractor Information Account Balance Tracking Project Information & Tracking et al

CREATE TABLE employee( emp# CHAR(5) PRIMARY KEY, lname VARCHAR(20) NOT NULL, fname VARCHAR(30), mi CHAR(1), title VARCHAR(20), hire_date DATETIME NOT NULL ); Employee Table

Account Table CREATE TABLE account( acct# CHAR(8) PRIMARY KEY, amount MONEY NOT NULL, update_stamp DATETIME, );

Project Table CREATE TABLE project( proj# CHAR(6) PRIMARY KEY,proj_name VARCHAR(50), proj_mang# CHAR(5) REFERENCES employee(emp#), planner# CHAR(5) REFERENCES employee(emp#), safety_eng# CHAR(5) REFERENCES employee(emp#), acct# CHAR(8) REFERENCES account(acct#), est_start DATETIME, est_end DATETIME, act_start DATETIME, act_end DATETIME, proj_descript VARCHAR(255) );

Contractor Table CREATE TABLE contractor( cont_code CHAR(5) PRIMARY KEY, co_name VARCHAR(20) NOT NULL, address VARCHAR(100), city VARCHAR(30), state CHAR(2), zip CHAR(5), phone VARCHAR(12), contact_lname VARCHAR(20), contact_fname VARCHAR(30), minor_own char(1) CHECK(minor_own IN('y','n')), );

Project – Contractor Table CREATE TABLE pc_table( proj# CHAR(6) REFERENCES project(proj#), cont_code CHAR(5) REFERENCES contractor(cont_code), emps_on_proj INT, PRIMARY KEY (proj#,cont_code) );

Employee Table Account Table Contractor Table Project Table PC Table Reference Flow

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