diff --git a/DDL.sql b/DDL.sql
new file mode 100644
index 0000000000000000000000000000000000000000..1bc66216ae4bb8602dccfdb8ad016f9991f6ccbe
--- /dev/null
+++ b/DDL.sql
@@ -0,0 +1,128 @@
+drop table if exists prereq;
+drop table if exists time_slot;
+drop table if exists advisor;
+drop table if exists takes;
+drop table if exists student;
+drop table if exists teaches;
+drop table if exists section;
+drop table if exists instructor;
+drop table if exists course;
+drop table if exists department;
+drop table if exists classroom;
+
+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
+ );
+
diff --git a/Vagrantfile b/Vagrantfile
index 034d38b02fcca1bae1b089c9c26cfaa55b7ee3fa..303422ddf86b3813b9c6f8a6cd015e6bef0c382a 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -72,12 +72,18 @@ Vagrant.configure("2") do |config|
apt-get install -y postgresql postgresql-contrib python3-pip python3-psycopg2 emacs tcsh
sudo -u postgres createuser -s ubuntu
+
sudo -u ubuntu createdb flights
sudo -u ubuntu psql flights -f /vagrant/small.sql
+ sudo -u ubuntu createdb university
+ sudo -u ubuntu psql flights -f /vagrant/DDL.sql
+ sudo -u ubuntu psql flights -f /vagrant/smallRelationsInsertFile.sql
+
pip3 install jupyter
pip3 install ipython-sql
+ sudo -u ubuntu psql flights -c "alter user ubuntu password 'ubuntu'"
cp /vagrant/.cshrc /home/ubuntu/
cp -r /vagrant/.jupyter /home/ubuntu/
chown -R ubuntu ~ubuntu/.jupyter
diff --git a/smallRelationsInsertFile.sql b/smallRelationsInsertFile.sql
new file mode 100644
index 0000000000000000000000000000000000000000..7792ac21d788bfe1b050323f497f703e672426b6
--- /dev/null
+++ b/smallRelationsInsertFile.sql
@@ -0,0 +1,149 @@
+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');