True Or False

Question 1 :

When building a database from an existing set of tables, we may safely assume that referential integrity constraints have been enforced on the data we are given.


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

Question 2 :

Most of the time, modification anomalies cause problems that are severe enough that a table should be normalized into BCNF.


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

Question 3 :

When building a database from an existing set of tables, we still need to consider normalization principles.


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

Question 4 :

We have normalized a table into BCNF if all candidate keys are determinants.


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

Question 5 :

We use the SQL construct COLUMNS(*) to determine the number and type of columns in a table.


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