Department of Computer Engineering

Bilkent University

CS353 DATABASE SYSTEMS

Spring 2025-2026

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Instructor: Prof. Dr. Özgur Ulusoy

TA:

bullet Tuna Saygın
bullet Office Hour: by appointment
bullet Office: EA-407
bullet E-mail: tuna.saygin@bilkent.edu.tr
bullet Kerim Eren
bullet Office Hour: by appointment
bullet Office: ~
bullet E-mail: kerim.eren@bilkent.edu.tr
bullet Mahmut Mert Gençtürk
bullet Office Hour: by appointment
bullet Office: ~
bullet E-mail: mert.gencturk@bilkent.edu.tr

ANNOUNCEMENTS

bullet Ann #15: 24/02/2026 IMPORTANT: The Midterm Exam will be held on March 10th and will start at 19:30
bullet Ann #14: 24/02/2026 The grades for Homework 1 are now available on STARS. Average grade for Homework 1 is 88.28.
bullet Ann #13: 23/02/2026 There will be an online tutorial on web-based database applications on March 3 at 17:40 via Zoom. You will have a programming assignment (HW-4) related to this tutorial.
bullet Ann #12: 23/02/2026 Homework 3 is now available on Moodle. The due date for the homework is March 2, Monday at 23:59. You must submit your homework via the "HW3 Submission" activity on Moodle. Your submission file must be named "surname_name.pdf".
bullet Ann #11: 09/02/2026 The tentative due date for the project proposal is February 19, Wednesday at 23:59. Your project proposal should include description of your application, its requirements (functional and non-functional) and limitations in detail. Most importantly, it should include the conceptual design of your database using the E/R model. Note that, you MUST draw your ER diagram with the notation you learned in the class. Please read the corresponding part in Project Specifications Document for the details of the project proposal. You should upload your proposal to Moodle. One of the group member's submission is enough.
bullet Ann #10: 09/02/2026 Project groups are listed. You can find Project Groups and Project Topics documents in Moodle under Project Documents folder. Please check the lists carefully and email to Tuna Saygın immediately if there is a mistake in your project group.
bullet Ann #9: 09/02/2026 Homework 2 is now available on Moodle. The due date for the homework is February 16, Monday at 23:59. You must submit your homework via the "HW2 Submission" activity on Moodle. Your submission file must be named as "surname_name_hw2.pdf". Please use drawio or another diagramming tools for drawing E/R diagrams
bullet Ann #8: 06/02/2026 Updates to Homework 1 (Question 2):
  • The schema of the PRESCRIPTION relation has been revised to include the attribute prescription-id.
  • In parts 2.c and 2.d, the phrase “find the number of distinct medicines” has been replaced with “find the number of distinct medicine categories.”
The updated version of the homework has been uploaded to Moodle.
bullet Ann #7: 02/02/2026 Homework 1 is now available on Moodle. The due date for the homework is February 9, Monday at 23:59. You must submit your homework via the "HW1 Submission" activity on Moodle. Your submission file must be named as "surname_name_hw1.pdf".
bullet Ann #6: 26/01/2026 The students, who are retaking CS-353 to improve their grade or due to failure, and who previously completed the term project successfully, can be exempted from the project of the course. If you are repeating the course and want to be exempted from the project, please send an e-mail with the subject line CS-353: Project Exemption to Tuna Saygın by February 2, Monday midnight, clearly indicating the year and the semester when you took the course. For students requesting exemption from the project, your previous project grade will be mapped to this semester's project grade based on the average grade of this semester’s projects.
bullet Ann #5: 26/01/2026 Please start forming project groups of 5 students. You can use the forum in Moodle if you are looking for a group or a team member. Please read Project Specification Document in Moodle for further details.
bullet Students that do not belong to any group will be assigned randomly.
bullet Project groups may include students from different sections.
bullet You must form your group and send an e-mail with the subject line CS-353: Group Members to Tuna Saygın until February 2, Monday midnight. One group member's e-mail is enough.
bullet The email should include a list of group members with full name, sections and IDs.
bullet Ann #4: 26/01/2026 Course syllabus, Project Document and Course slides are uploaded on Moodle.
bullet Ann #3: 26/01/2026 Minimum Requirements to Qualify for the Final Exam:
In order to qualify for the final exam, the Midterm Exam grade must be at least 30 out of 100.
bullet Ann #2: 26/01/2026 CS353 MOODLE PAGE: We will use Moodle service in our course in this semester. You must log into the moodle through STARS system first. You can use forums in this page to communicate with other students in this course.
bullet Ann #1: 26/01/2026 Welcome to CS-353! Please visit this page very frequently to learn about latest announcements, regular assignments, office hour changes, exam information and other relevant stuff.

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