Computer Science 161
Exam #1 review

Disclaimer:  I have attempted to be comprehensive in the 
	following, but important items may have been 
	omitted by mistake.  If you see such an omission,
	please let me know, but you are responsible for
	all of the lecture material to date.

The first hour exam will be on Friday, Feb. 12, and will cover
	Elmasri and Navethe, Chapters 1, 2, 3, first and last sections of
		chapter 6.
	EasyAlg handout

1.	Be able to say what a database management system is, and list
	some of the reasons for such a system.  Be able to relate 
	parts of a DBMS to other CSci disciplines.

2.	Be able to describe the three major data models for database
	systems we have described so far.  Be able to say what a 
	data model is.

3.	Know definitions of terms encountered so far (e.g.:  Entity, 
	Key, DBA, DA, Data Independence, Data Dictionary, etc...)

4.	Be able to write EASYALG queries.

5.	Be able to explain why a relational database is called relational.
	Be able to define and use intersection, union, subset, cartesian
	product, etc.

6.	Be able to construct an entity-relationship diagram, and to 
	move from an E-R diagram to a relational schema.