Which of the following statements is not true for primary keys in a relational database system?
A)They can be used to create relationships between tables.
B)They must contain numeric data.
C)They uniquely identify a row in a table.
D)They can be part of relational integrity constraints.

Question

Quizplus · Accepted Answer

Primary keys do not have to contain numeric data. They simply need to uniquely identify a row in the table. They can be made up of any data type including strings, dates, and even binary data.

Which of the Following Statements Is Not True for Primary