In an SQL query, the built-in functions SUM and AVG work with ...

[CQXA]

In an SQL query, the built-in functions SUM and AVG work with columns containing data of which of the following data types?
 
  A) Integer
  B) Numeric
  C) Char
  D) Both A and B are correct

Question 2

A ________ is used to limit the possible values of a foreign key.
 
  A) composite key
  B) surrogate key
  C) functional dependency
  D) referential integrity constraint

[upturnedfurball]

Answer to Question 1

D

Answer to Question 2

D

[CQXA]

Thanks for the timely response, appreciate it

[chereeb]

Wow, this really help