Author Question: A varchar data type: A) is used to represent elements for which the analyst needs to determine ... (Read 50 times)

frankwu · **on:** Jul 7, 2018

A varchar data type:

A) is used to represent elements for which the analyst needs to determine the length.
B) is an element that contains a check digit.
C) is used to represent a floating point number with an indeterminate number of decimal positions..
D) is used for data that can contain any number of characters (up to the database limit).

Question 2

In the crows feet notation for relationships which way does the crows foot (the three prongs) point?

A) To the foreign key side of the relationship
B) To the primary key side of the relationship
C) In the direction of program flow
D) None of the above