Is It Required That Primary Key Values Have To Be Unique? Do Alternat

1.	Is It Required That Primary Key Values Have To Be Unique? Do Alternate Key Values Have To Be Unique?
Answer» PRIMARY KEY values must always be UNIQUE however alternate Key values need not be unique all the TIME. Primary Key values must always be unique however alternate Key values need not be unique all the time.

Is It Required That Primary Key Values Have To Be Unique? Do Alternate Key Values Have To Be Unique?

Answer»

PRIMARY KEY values must always be UNIQUE however alternate Key values need not be unique all the TIME.

Primary Key values must always be unique however alternate Key values need not be unique all the time.