CMPT 258 Database Systems The Entity-Relationship Model Part II (Chapter 2)
CMPT 258 Database Systems Midterm Review. Regarding the Exam Oct 15 Thursday Close book Cheat sheet...
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Transcript of CMPT 258 Database Systems Midterm Review. Regarding the Exam Oct 15 Thursday Close book Cheat sheet...
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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