What are indexes in sql?

Answer Posted / guest

Indexes improve database performance by allowing faster retrieval of records.
Types of indexes:
• Clustered Index – Reorders table records for faster access.
• Non-Clustered Index – Stores index separately for faster lookups.
• Unique Index – Ensures all values in a column are unique.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to get the definition of a view out of the sql server?

702


What is 2nf example?

728


What is the difference between for auto and for nested?

675


Is it possible to create trigger on views?

710


What is perspective, have you ever created perspective? : sql server analysis services, ssas

671






List out the different types of locks available in sql server?

714


What is the most common type of join?

726


Why can there be only one clustered index and not more than one?

732


tell me the disaster recovery plan

2192


What is @@error in sql?

799


What is 1nf normalization form?

741


Explain about system database?

793


can you implement data mining in SSRS?

125


What is the difference between having clause and where clause in sql server?

776


How do you troubleshoot errors in a SQL Server Agent Job?

744