# Assignments | CMU 15-445/645 :: Intro to Database Systems (Fall 2025)

https://15445.courses.cs.cmu.edu/fall2025/assignments.html

[![](https://15445.courses.cs.cmu.edu/fall2025/images/cmudb-icon-white.svg) CMU 15-445/645](https://15445.courses.cs.cmu.edu/fall2025 "CMU 15-445/645")
  * [Assignments](https://15445.courses.cs.cmu.edu/fall2025/assignments.html)
  * [FAQ](https://15445.courses.cs.cmu.edu/fall2025/faq.html)
  * [Schedule](https://15445.courses.cs.cmu.edu/fall2025/schedule.html)
  * [Syllabus](https://15445.courses.cs.cmu.edu/fall2025/syllabus.html)


  * [ Youtube](https://www.youtube.com/playlist?list=PLSE8ODhjZXjYMAgsGH-GtY5rJYZ6zjsd5 "Youtube")
  * [ Piazza](https://piazza.com/cmu/fall2025/15445645 "Piazza")


[ **NOTICE:** This is an archived version of the course. Click here to view the latest offering. ](https://15445.courses.cs.cmu.edu/ "View latest version of 15-445/645")
#  Assignments Last Updated: Dec 09, 2025
Last Updated: Dec 09, 2025
# Homeworks  
| Assignment  | Solution  | Release  | Due  |  
| --- | --- | --- | --- |  
|  [SQL](https://15445.courses.cs.cmu.edu/fall2025/homework1/) [Solution](https://15445.courses.cs.cmu.edu/fall2025/files/hw1-sols.tar.gz)  | [Solution](https://15445.courses.cs.cmu.edu/fall2025/files/hw1-sols.tar.gz)  | Aug 27, 2025  | Sep 07, 2025 @ 11:59pm  |  
|  [Storage](https://15445.courses.cs.cmu.edu/fall2025/files/hw2-clean.pdf) [Solution](https://15445.courses.cs.cmu.edu/fall2025/files/hw2-sols.pdf)  | [Solution](https://15445.courses.cs.cmu.edu/fall2025/files/hw2-sols.pdf)  | Sep 10, 2025  | Sep 21, 2025 @ 11:59pm  |  
|  [Indexes & Filters](https://15445.courses.cs.cmu.edu/fall2025/files/hw3-clean.pdf) [Solution](https://15445.courses.cs.cmu.edu/fall2025/files/hw3-sols.pdf)  | [Solution](https://15445.courses.cs.cmu.edu/fall2025/files/hw3-sols.pdf)  | Sep 24, 2025  | Oct 05, 2025 @ 11:59pm  |  
|  [Execution & Planning](https://15445.courses.cs.cmu.edu/fall2025/files/hw4-clean.pdf) [Solution](https://15445.courses.cs.cmu.edu/fall2025/files/hw4-sols.pdf)  | [Solution](https://15445.courses.cs.cmu.edu/fall2025/files/hw4-sols.pdf)  | Oct 22, 2025  | Nov 02, 2025 @ 11:59pm  |  
|  [Transactions!](https://15445.courses.cs.cmu.edu/fall2025/files/hw5-clean.pdf) [Solution](https://15445.courses.cs.cmu.edu/fall2025/files/hw5-sols.pdf)  | [Solution](https://15445.courses.cs.cmu.edu/fall2025/files/hw5-sols.pdf)  | Nov 05, 2025  | Nov 23, 2025 @ 11:59pm  |  
|  [Recovery](https://15445.courses.cs.cmu.edu/fall2025/files/hw6-clean.pdf) [Solution](https://15445.courses.cs.cmu.edu/fall2025/files/hw6-sols.pdf)  | [Solution](https://15445.courses.cs.cmu.edu/fall2025/files/hw6-sols.pdf)  | Nov 24, 2025  | Dec 07, 2025 @ 11:59pm  |  
# Projects  
| Assignment  | Solution  | Release  | Due  |  
| --- | --- | --- | --- |  
| [C++ Primer](https://15445.courses.cs.cmu.edu/fall2025/project0/)  | N/A  | Aug 25, 2025  | Sep 07, 2025 @ 11:59pm  |  
| [Buffer Pool Manager](https://15445.courses.cs.cmu.edu/fall2025/project1/)  | N/A  | Sep 08, 2025  | Sep 28, 2025 @ 11:59pm  |  
| [Database Index](https://15445.courses.cs.cmu.edu/fall2025/project2/)  | N/A  | Sep 29, 2025  | Oct 26, 2025 @ 11:59pm  |  
| [Query Execution](https://15445.courses.cs.cmu.edu/fall2025/project3/)  | N/A  | Oct 20, 2025  | Nov 16, 2025 @ 11:59pm  |  
| [Concurrency Control](https://15445.courses.cs.cmu.edu/fall2025/project4/)  | N/A  | Nov 10, 2025  | Dec 07, 2025 @ 11:59pm  |  
[![](https://15445.courses.cs.cmu.edu/fall2025/images/cmu-db-group.svg)](https://db.cs.cmu.edu "Carnegie Mellon Database Group")
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