What is the difference between a primary key and a unique key?

Question Posted / ritika saraf

No Answer is Posted For this Question
Be the First to Post Answer

More SQL PLSQL Interview Questions

what are the different tables present in mysql? : Sql dba

1. what is the exact use of hint in sql. 2. How we can avoid index scan in sql even though index is there in the table.

how to create a new view in mysql? : Sql dba

How do I save the results of sql query in a file?

What are the types of keys?

Can sql developer connect to db2?

explain advantages of myisam over innodb? : Sql dba

What is the use of primary key?

how to delete an existing column in a table? : Sql dba

What is the difference between joins?

Delete duplicate records in the emp table.

what is the bond code in materialized view?

For more SQL PLSQL Interview Questions Click Here