What Is The Difference Between Primary Key & Super Key
Answer Posted / anil kumar dubey
A candidate key that uniquely identifies a row in a table is called primary key.
A superkey (composite key) is a combination of columns that uniquely identifies any row within a relational database management system (RDBMS) table.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What is master database? : SQL Server Architecture
According to you what goes into making the best database administrator? : sql server database administration
Explain indexing and what are the advantages of it?
How to find the service pack installed? : sql server database administration
What is sql server 2000 work load governor?
What are the difference between clustered and a non-clustered index?
What is Sqlpaging in SqlServer 2005 ?
Can we add a cpu to sql server?
How to use subqueries in the from clause in ms sql server?
Explain forward - only cursors?
What xml support does the sql server extend?
What is the purpose of the model database?
What does it mean to be in union?
What is a unique index?
How to find the login name linked to a given user name?