Transcript Lecture Notes - Department of Computer Science

Using Relational Databases and SQL
Lecture 6:
Midterm Review
Steven Emory
Department of Computer Science
California State University, Los Angeles
Miscellany
Quarter is officially half-over!
Lab and Homework #4
Questions?
Go over some problems?
Topics for Today
Midterm Format and Rules
Midterm Tips
Midterm Review
The Relational Database
The Structured Query Language
Single-Table Queries
Multiple-Table Queries
Functions
Extra Credit
Midterm Format
10 Problems from HR database
Question format (like labs, homeworks)
3 short (no joins)
3 medium (two-table joins + functions)
3 long (three-table joins + functions)
1 extra large (four or more table join + functions)
Midterm Rules
No laptops (may make exceptions to this)
Limited internet (Wiki, CSNS, MySQL site)
Printed lecture notes, cheat sheets OK.
Don't communicate with anyone
Don't search (Google) for solutions that aren't
your own
Midterm Tips
Cheat sheets!!!
Keep a keyword cheat sheet
Keep a join cheat sheet
Keep a function cheat sheet
I wouldn't bother opening the book
I wouldn't bother using the internet
I wouldn't bother with lecture notes
Flipping = waste of time
Midterm Review
The Relational Database
The Structured Query Language
Single-Table Queries
Multiple-Table Queries
Functions
Extra Credit
30 Points
Take-Home Lab #9: Database Design
Database design not on final
Useful if you missed a lab or a homework
Useful if grade is going to be borderline
Don't bother with it if you're getting an A
Midterm Sample Problems
Want to go over any example problems?