Author Question: An insert anomaly results when a change to one attribute value either causes the database to contain ... (Read 45 times)

shofmannx20 · **on:** Jul 7, 2018

An insert anomaly results when a change to one attribute value either causes the database to contain inconsistent data or causes multiple records to need changing.

Indicate whether the statement is true or false

Question 2

When a primary key is repeated in a second table to make a relationship it is called:

A) A visitor key
B) A foreign key
C) A second primary key
D) Just another column