If a table column has is UNIQUE and has NOT NULL, is it
equivalent to a PRIMARY KEY column?
Answer Posted / bhakti
yes it is equivalent as primary key is nothing but unique
and not null.
| Is This Answer Correct ? | 16 Yes | 6 No |
Post New Answer View All Answers
When do I need to use a semicolon vs a slash in oracle sql?
How to create an oracle testing table?
What are the extensions used by oracle reports?
Explain user account with reference to oracle.
Why do we need integrity constraints in a database?
Can we call procedure inside function in oracle?
What is a nested table and how is it different from a normal table?
What is literal?
What are group functions in oracle?
What is procedure overloading in oracle?
List the various oracle database objects?
What is sequence?
How to sort output in descending order in oracle?
Can we write insert statement in function in oracle?
How to load data through external tables?