True Or False

Question 11 :

The design guidelines and priorities for read-only databases are different because read-only databases are never updated.


A). True
B). False
Answer : Option A

Question 12 :

The phrase "SALE.CNumber must exist in CUSTOMER.CNumber" is a referential integrity constraint.


A). True
B). False
Answer : Option A

Question 13 :

We use the SQL construct COUNT(*) to count the number of rows in a table.


A). True
B). False
Answer : Option A

Question 14 :

When you are given a set of tables and asked to create a database to store their data, the first step is to create the new database.


A). True
B). False
Answer : Option B

Question 15 :

Multivalued dependencies create harmless anomalies that should be noted, but do not always need to be eliminated.


A). True
B). False
Answer : Option B