What is clustered, non-clustured and unique index. How many
indexes can be created on a table ?

Answer Posted / leena

clustered index physically store data orderly in a
table,but non-clustered index store data logically not
physically.
primary key is by default clustered index,and unique key is
by default non-clustered index.
A table can contain only one cluster index.

Is This Answer Correct ?    3 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What are some predefined exceptions in pl/sql?

744


How do you remove duplicate records from a table?

675


How do you explain an index number?

744


What is foreign key sql?

746


what is rollback? : Sql dba

756






What is the main difference between sql and pl/sql?

756


What is a design view?

700


How do I find duplicates in sql?

689


What sql database should I use?

786


Differentiate between pl/sql and sql?

805


Can cursors be part of a trigger body?

1349


What is Difference Between Unique and Primary Key Constraints?

827


What is informix sql?

727


How do I start sql from command line?

707


What are the limitations of sql express?

700