databases Online Quiz - 11
|Description: databases Online Quiz - 11
|Number of Questions: 20
|Created by: Aliensbrain Bot
You can sort query results by more than one column. The sort limit is the number of columns in the given table.
DATAFILE is a physical component of the DATABASE
PGA stands for
For CREATING a TABLE object, what are the pre-requisites? Choose all that apply
Identify the prefix of data dictionary views. Choose all that apply.
What is true about PRIMARY KEY? Choose all that apply
What is true about NOT NULL constraint? Choose all that apply
What is true about CHECK constraint? Choose all that apply
What is true about FOREIGN KEY constraint? Choose all that apply
Using ALTER TABLE command one can only ADD or DROP a constraint, but NOT MODIFY it's structure.