Can a table have two primary keys?
Answer Posted / damini
No.A table can have only one primary key .if it is having
more than one primary key then we say it as composite
primary key...A composite primarykey is a primary key of 2
or more columns together..A composite primary key is
different from primary key..
Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
Is clustered index a primary key?
What is varchar data type in sql?
What is spool?
What is raid? How does it help storage of databases?
what is 'mysqldump'? : Sql dba
What does cursor do in sql?
What are the possible values for the boolean data field?
How can I speed up sql query?
what is oracle database ? : Sql dba
How do I view output in sql developer?
What is rtm in testing?
what is datawarehouse? : Sql dba
what are the differences between char and nchar? : Sql dba
Name three sql operations that perform a sort.
What is prepared statement in sql?