Answer Posted / sowmya k
Yes we can create a primary key without creating the Unique
key. The primary key concept is same similar to the unique
key. We can set primary key to only one column, but a
unique key constraint can be set to more then one column.
| Is This Answer Correct ? | 0 Yes | 11 No |
Post New Answer View All Answers
What is indexing in sql and its types?
How can I get the number of records affected by a stored procedure?
What is recursive join in sql?
How can I see all tables in sql?
How to create an array in pl/sql?
What is substitution variable in pl sql?
What are properties of the transaction?
what is auto increment? : Sql dba
how do you know the version of your mysql server? : Sql dba
Any attempt to navigate programmatically to disabled form in a call_form stack is allowed?
What is varchar example?
i have some prob lem to tell me about my self in interview first round ...
What does trigger mean in psychology?
How do I add a primary key to a table?
Define implicit and explicit cursors.