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Author Question: In an SQL query, the built-in functions SUM and AVG work with columns containing data of which of ... (Read 50 times)

CQXA

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on: Jul 7, 2018
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


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upturnedfurball

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Reply #1 on: Jul 7, 2018
Answer to Question 1

D

Answer to Question 2

D


CQXA

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Reply 2 on: Jul 7, 2018
Wow, this really help

raenoj

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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