cmpt 258 database systems midterm review. regarding the exam oct 15 thursday close book cheat sheet...
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CMPT 258 Database SystemsMidterm Review
Regarding the Exam• Oct 15 Thursday•Close book•Cheat sheet (1 side of an A4 paper)
Tutors Available!•Mondays 11 am - 12 pm•Tuesdays 1 pm - 2 pm•Wednesdays 2 pm to 3 pm•Thursdays 12 pm - 1 pm
•RLC 203
Problem 1•ER diagram
▫Chapter 2▫Examples in class▫Homework 1
•Clearly mark all key and participation constraints.
•1:N, M:N, etc. or an arrow •Double lines for total participation•Double lined boxes for weak entities
Problem 2•SQL statements
▫CREATE, DROP, ALTER▫INSERT, UPDATE, DELETE, SELECT▫CREATE VIEW▫Chapter 3▫Examples in class▫Homework 2
Problem 3•Two questions•Convert an ER diagram to SQL
statements▫CREATE TABLE …▫Primary key constraints▫Foreign key constraints▫Rules to translate ER to relational model
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