university_schema_postgres.sql

DROP TABLE IF EXISTS prereq CASCADE;
DROP TABLE IF EXISTS time_slot CASCADE;
DROP TABLE IF EXISTS advisor CASCADE;
DROP TABLE IF EXISTS takes CASCADE;
DROP TABLE IF EXISTS student CASCADE;
DROP TABLE IF EXISTS teaches CASCADE;
DROP TABLE IF EXISTS section CASCADE;
DROP TABLE IF EXISTS instructor CASCADE;
DROP TABLE IF EXISTS course CASCADE;
DROP TABLE IF EXISTS department CASCADE;
DROP TABLE IF EXISTS classroom CASCADE;

CREATE TABLE classroom
  (building		varchar(15),
  room_number	varchar(7),
  capacity		numeric(4,0),
  PRIMARY KEY (building, room_number)
  );

CREATE TABLE department
  (dept_name		varchar(20),
  building		varchar(15),
  budget		        numeric(12,2) CHECK (budget > 0),
  PRIMARY KEY (dept_name)
  );

CREATE TABLE course
  (course_id		varchar(8),
  title			varchar(50),
  dept_name		varchar(20),
  credits		numeric(2,0) CHECK (credits > 0),
  PRIMARY KEY (course_id),
  FOREIGN KEY (dept_name) REFERENCES department
  ON DELETE SET NULL
  );

CREATE TABLE instructor
  (ID			varchar(5),
  name			varchar(20) NOT NULL,
  dept_name		varchar(20),
  salary			numeric(8,2) CHECK (salary > 29000),
  PRIMARY KEY (ID),
  FOREIGN KEY (dept_name) REFERENCES department
  ON DELETE SET NULL
  );

CREATE TABLE section
  (course_id		varchar(8),
  sec_id			varchar(8),
  semester		varchar(6)  CHECK (semester in ('Fall', 'Winter', 'Spring', 'Summer')),
  year			numeric(4,0) CHECK (year > 1701 AND year < 2100),
  building		varchar(15),
  room_number		varchar(7),
  time_slot_id		varchar(4),
  PRIMARY KEY (course_id, sec_id, semester, year),
  FOREIGN KEY (course_id) REFERENCES course
  ON DELETE CASCADE,
  FOREIGN KEY (building, room_number) REFERENCES classroom
  ON DELETE SET NULL
  );

CREATE TABLE teaches
  (ID			varchar(5),
  course_id		varchar(8),
  sec_id			varchar(8),
  semester		varchar(6),
  year			numeric(4,0),
  PRIMARY KEY (ID, course_id, sec_id, semester, year),
  FOREIGN KEY (course_id,sec_id, semester, year) REFERENCES section
  ON DELETE CASCADE,
  FOREIGN KEY (ID) REFERENCES instructor
  ON DELETE CASCADE
  );

CREATE TABLE student
  (ID			varchar(5),
  name			varchar(20) NOT NULL,
  dept_name		varchar(20),
  tot_cred		numeric(3,0) CHECK (tot_cred >= 0),
  PRIMARY KEY (ID),
  FOREIGN KEY (dept_name) REFERENCES department
  ON DELETE SET NULL
  );

CREATE TABLE takes
  (ID			varchar(5),
  course_id		varchar(8),
  sec_id			varchar(8),
  semester		varchar(6),
  year			numeric(4,0),
  grade		        varchar(2),
  PRIMARY KEY (ID, course_id, sec_id, semester, year),
  FOREIGN KEY (course_id,sec_id, semester, year) REFERENCES section
  ON DELETE CASCADE,
  FOREIGN KEY (ID) REFERENCES student
  ON DELETE CASCADE
  );

CREATE TABLE advisor
  (s_ID			varchar(5),
  i_ID			varchar(5),
  PRIMARY KEY (s_ID),
  FOREIGN KEY (i_ID) REFERENCES instructor (ID)
  ON DELETE SET NULL,
  FOREIGN KEY (s_ID) REFERENCES student (ID)
  ON DELETE CASCADE
  );

CREATE TABLE time_slot
  (time_slot_id		varchar(4),
  day			varchar(1),
  start_hr		numeric(2) CHECK (start_hr >= 0 AND start_hr < 24),
  start_min		numeric(2) CHECK (start_min >= 0 AND start_min < 60),
  end_hr			numeric(2) CHECK (end_hr >= 0 AND end_hr < 24),
  end_min		numeric(2) CHECK (end_min >= 0 AND end_min < 60),
  PRIMARY KEY (time_slot_id, day, start_hr, start_min)
  );

CREATE TABLE prereq
  (course_id		varchar(8),
  prereq_id		varchar(8),
  PRIMARY KEY (course_id, prereq_id),
  FOREIGN KEY (course_id) REFERENCES course
  ON DELETE CASCADE,
  FOREIGN KEY (prereq_id) REFERENCES course
  );

DELETE FROM prereq;
DELETE FROM time_slot;
DELETE FROM advisor;
DELETE FROM takes;
DELETE FROM student;
DELETE FROM teaches;
DELETE FROM section;
DELETE FROM instructor;
DELETE FROM course;
DELETE FROM department;
DELETE FROM classroom;
INSERT INTO classroom VALUES ('Packard', '101', '500');
INSERT INTO classroom VALUES ('Painter', '514', '10');
INSERT INTO classroom VALUES ('Taylor', '3128', '70');
INSERT INTO classroom VALUES ('Watson', '100', '30');
INSERT INTO classroom VALUES ('Watson', '120', '50');
INSERT INTO department VALUES ('Biology', 'Watson', '90000');
INSERT INTO department VALUES ('Comp. Sci.', 'Taylor', '100000');
INSERT INTO department VALUES ('Elec. Eng.', 'Taylor', '85000');
INSERT INTO department VALUES ('Finance', 'Painter', '120000');
INSERT INTO department VALUES ('History', 'Painter', '50000');
INSERT INTO department VALUES ('Music', 'Packard', '80000');
INSERT INTO department VALUES ('Physics', 'Watson', '70000');
INSERT INTO course VALUES ('BIO-101', 'Intro. to Biology', 'Biology', '4');
INSERT INTO course VALUES ('BIO-301', 'Genetics', 'Biology', '4');
INSERT INTO course VALUES ('BIO-399', 'Computational Biology', 'Biology', '3');
INSERT INTO course VALUES ('CS-101', 'Intro. to Computer Science', 'Comp. Sci.', '4');
INSERT INTO course VALUES ('CS-190', 'Game Design', 'Comp. Sci.', '4');
INSERT INTO course VALUES ('CS-315', 'Robotics', 'Comp. Sci.', '3');
INSERT INTO course VALUES ('CS-319', 'Image Processing', 'Comp. Sci.', '3');
INSERT INTO course VALUES ('CS-347', 'Database System Concepts', 'Comp. Sci.', '3');
INSERT INTO course VALUES ('EE-181', 'Intro. to Digital Systems', 'Elec. Eng.', '3');
INSERT INTO course VALUES ('FIN-201', 'Investment Banking', 'Finance', '3');
INSERT INTO course VALUES ('HIS-351', 'World History', 'History', '3');
INSERT INTO course VALUES ('MU-199', 'Music Video Production', 'Music', '3');
INSERT INTO course VALUES ('PHY-101', 'Physical Principles', 'Physics', '4');
INSERT INTO instructor VALUES ('10101', 'Srinivasan', 'Comp. Sci.', '65000');
INSERT INTO instructor VALUES ('12121', 'Wu', 'Finance', '90000');
INSERT INTO instructor VALUES ('15151', 'Mozart', 'Music', '40000');
INSERT INTO instructor VALUES ('22222', 'Einstein', 'Physics', '95000');
INSERT INTO instructor VALUES ('32343', 'El Said', 'History', '60000');
INSERT INTO instructor VALUES ('33456', 'Gold', 'Physics', '87000');
INSERT INTO instructor VALUES ('45565', 'Katz', 'Comp. Sci.', '75000');
INSERT INTO instructor VALUES ('58583', 'Califieri', 'History', '62000');
INSERT INTO instructor VALUES ('76543', 'Singh', 'Finance', '80000');
INSERT INTO instructor VALUES ('76766', 'Crick', 'Biology', '72000');
INSERT INTO instructor VALUES ('83821', 'Brandt', 'Comp. Sci.', '92000');
INSERT INTO instructor VALUES ('98345', 'Kim', 'Elec. Eng.', '80000');
INSERT INTO section VALUES ('BIO-101', '1', 'Summer', '2009', 'Painter', '514', 'B');
INSERT INTO section VALUES ('BIO-301', '1', 'Summer', '2010', 'Painter', '514', 'A');
INSERT INTO section VALUES ('CS-101', '1', 'Fall', '2009', 'Packard', '101', 'H');
INSERT INTO section VALUES ('CS-101', '1', 'Spring', '2010', 'Packard', '101', 'F');
INSERT INTO section VALUES ('CS-190', '1', 'Spring', '2009', 'Taylor', '3128', 'E');
INSERT INTO section VALUES ('CS-190', '2', 'Spring', '2009', 'Taylor', '3128', 'A');
INSERT INTO section VALUES ('CS-315', '1', 'Spring', '2010', 'Watson', '120', 'D');
INSERT INTO section VALUES ('CS-319', '1', 'Spring', '2010', 'Watson', '100', 'B');
INSERT INTO section VALUES ('CS-319', '2', 'Spring', '2010', 'Taylor', '3128', 'C');
INSERT INTO section VALUES ('CS-347', '1', 'Fall', '2009', 'Taylor', '3128', 'A');
INSERT INTO section VALUES ('EE-181', '1', 'Spring', '2009', 'Taylor', '3128', 'C');
INSERT INTO section VALUES ('FIN-201', '1', 'Spring', '2010', 'Packard', '101', 'B');
INSERT INTO section VALUES ('HIS-351', '1', 'Spring', '2010', 'Painter', '514', 'C');
INSERT INTO section VALUES ('MU-199', '1', 'Spring', '2010', 'Packard', '101', 'D');
INSERT INTO section VALUES ('PHY-101', '1', 'Fall', '2009', 'Watson', '100', 'A');
INSERT INTO teaches VALUES ('10101', 'CS-101', '1', 'Fall', '2009');
INSERT INTO teaches VALUES ('10101', 'CS-315', '1', 'Spring', '2010');
INSERT INTO teaches VALUES ('10101', 'CS-347', '1', 'Fall', '2009');
INSERT INTO teaches VALUES ('12121', 'FIN-201', '1', 'Spring', '2010');
INSERT INTO teaches VALUES ('15151', 'MU-199', '1', 'Spring', '2010');
INSERT INTO teaches VALUES ('22222', 'PHY-101', '1', 'Fall', '2009');
INSERT INTO teaches VALUES ('32343', 'HIS-351', '1', 'Spring', '2010');
INSERT INTO teaches VALUES ('45565', 'CS-101', '1', 'Spring', '2010');
INSERT INTO teaches VALUES ('45565', 'CS-319', '1', 'Spring', '2010');
INSERT INTO teaches VALUES ('76766', 'BIO-101', '1', 'Summer', '2009');
INSERT INTO teaches VALUES ('76766', 'BIO-301', '1', 'Summer', '2010');
INSERT INTO teaches VALUES ('83821', 'CS-190', '1', 'Spring', '2009');
INSERT INTO teaches VALUES ('83821', 'CS-190', '2', 'Spring', '2009');
INSERT INTO teaches VALUES ('83821', 'CS-319', '2', 'Spring', '2010');
INSERT INTO teaches VALUES ('98345', 'EE-181', '1', 'Spring', '2009');
INSERT INTO student VALUES ('00128', 'Zhang', 'Comp. Sci.', '102');
INSERT INTO student VALUES ('12345', 'Shankar', 'Comp. Sci.', '32');
INSERT INTO student VALUES ('19991', 'Brandt', 'History', '80');
INSERT INTO student VALUES ('23121', 'Chavez', 'Finance', '110');
INSERT INTO student VALUES ('44553', 'Peltier', 'Physics', '56');
INSERT INTO student VALUES ('45678', 'Levy', 'Physics', '46');
INSERT INTO student VALUES ('54321', 'Williams', 'Comp. Sci.', '54');
INSERT INTO student VALUES ('55739', 'Sanchez', 'Music', '38');
INSERT INTO student VALUES ('70557', 'Snow', 'Physics', '0');
INSERT INTO student VALUES ('76543', 'Brown', 'Comp. Sci.', '58');
INSERT INTO student VALUES ('76653', 'Aoi', 'Elec. Eng.', '60');
INSERT INTO student VALUES ('98765', 'Bourikas', 'Elec. Eng.', '98');
INSERT INTO student VALUES ('98988', 'Tanaka', 'Biology', '120');
INSERT INTO takes VALUES ('00128', 'CS-101', '1', 'Fall', '2009', 'A');
INSERT INTO takes VALUES ('00128', 'CS-347', '1', 'Fall', '2009', 'A-');
INSERT INTO takes VALUES ('12345', 'CS-101', '1', 'Fall', '2009', 'C');
INSERT INTO takes VALUES ('12345', 'CS-190', '2', 'Spring', '2009', 'A');
INSERT INTO takes VALUES ('12345', 'CS-315', '1', 'Spring', '2010', 'A');
INSERT INTO takes VALUES ('12345', 'CS-347', '1', 'Fall', '2009', 'A');
INSERT INTO takes VALUES ('19991', 'HIS-351', '1', 'Spring', '2010', 'B');
INSERT INTO takes VALUES ('23121', 'FIN-201', '1', 'Spring', '2010', 'C+');
INSERT INTO takes VALUES ('44553', 'PHY-101', '1', 'Fall', '2009', 'B-');
INSERT INTO takes VALUES ('45678', 'CS-101', '1', 'Fall', '2009', 'F');
INSERT INTO takes VALUES ('45678', 'CS-101', '1', 'Spring', '2010', 'B+');
INSERT INTO takes VALUES ('45678', 'CS-319', '1', 'Spring', '2010', 'B');
INSERT INTO takes VALUES ('54321', 'CS-101', '1', 'Fall', '2009', 'A-');
INSERT INTO takes VALUES ('54321', 'CS-190', '2', 'Spring', '2009', 'B+');
INSERT INTO takes VALUES ('55739', 'MU-199', '1', 'Spring', '2010', 'A-');
INSERT INTO takes VALUES ('76543', 'CS-101', '1', 'Fall', '2009', 'A');
INSERT INTO takes VALUES ('76543', 'CS-319', '2', 'Spring', '2010', 'A');
INSERT INTO takes VALUES ('76653', 'EE-181', '1', 'Spring', '2009', 'C');
INSERT INTO takes VALUES ('98765', 'CS-101', '1', 'Fall', '2009', 'C-');
INSERT INTO takes VALUES ('98765', 'CS-315', '1', 'Spring', '2010', 'B');
INSERT INTO takes VALUES ('98988', 'BIO-101', '1', 'Summer', '2009', 'A');
INSERT INTO takes VALUES ('98988', 'BIO-301', '1', 'Summer', '2010', null);
INSERT INTO advisor VALUES ('00128', '45565');
INSERT INTO advisor VALUES ('12345', '10101');
INSERT INTO advisor VALUES ('23121', '76543');
INSERT INTO advisor VALUES ('44553', '22222');
INSERT INTO advisor VALUES ('45678', '22222');
INSERT INTO advisor VALUES ('76543', '45565');
INSERT INTO advisor VALUES ('76653', '98345');
INSERT INTO advisor VALUES ('98765', '98345');
INSERT INTO advisor VALUES ('98988', '76766');
INSERT INTO time_slot VALUES ('A', 'M', '8', '0', '8', '50');
INSERT INTO time_slot VALUES ('A', 'W', '8', '0', '8', '50');
INSERT INTO time_slot VALUES ('A', 'F', '8', '0', '8', '50');
INSERT INTO time_slot VALUES ('B', 'M', '9', '0', '9', '50');
INSERT INTO time_slot VALUES ('B', 'W', '9', '0', '9', '50');
INSERT INTO time_slot VALUES ('B', 'F', '9', '0', '9', '50');
INSERT INTO time_slot VALUES ('C', 'M', '11', '0', '11', '50');
INSERT INTO time_slot VALUES ('C', 'W', '11', '0', '11', '50');
INSERT INTO time_slot VALUES ('C', 'F', '11', '0', '11', '50');
INSERT INTO time_slot VALUES ('D', 'M', '13', '0', '13', '50');
INSERT INTO time_slot VALUES ('D', 'W', '13', '0', '13', '50');
INSERT INTO time_slot VALUES ('D', 'F', '13', '0', '13', '50');
INSERT INTO time_slot VALUES ('E', 'T', '10', '30', '11', '45 ');
INSERT INTO time_slot VALUES ('E', 'R', '10', '30', '11', '45 ');
INSERT INTO time_slot VALUES ('F', 'T', '14', '30', '15', '45 ');
INSERT INTO time_slot VALUES ('F', 'R', '14', '30', '15', '45 ');
INSERT INTO time_slot VALUES ('G', 'M', '16', '0', '16', '50');
INSERT INTO time_slot VALUES ('G', 'W', '16', '0', '16', '50');
INSERT INTO time_slot VALUES ('G', 'F', '16', '0', '16', '50');
INSERT INTO time_slot VALUES ('H', 'W', '10', '0', '12', '30');
INSERT INTO prereq VALUES ('BIO-301', 'BIO-101');
INSERT INTO prereq VALUES ('BIO-399', 'BIO-101');
INSERT INTO prereq VALUES ('CS-190', 'CS-101');
INSERT INTO prereq VALUES ('CS-315', 'CS-101');
INSERT INTO prereq VALUES ('CS-319', 'CS-101');
INSERT INTO prereq VALUES ('CS-347', 'CS-101');
INSERT INTO prereq VALUES ('EE-181', 'PHY-101');