Answer Posted / ankush
An index creates an entry for each value that appears in
the indexed columns.
Then why it is necessary to create an index on the same
index.
as An index is a performance-tuning method of allowing
faster retrieval of records.
NO we can't create index on index.
| Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
Is join an inner join?
What is difference between stored procedures and application procedures?
How can you load multi line records? : aql loader
Is ms sql traffic encrypted?
What is sql partition?
What language is oracle sql developer?
What is an alias command?
What is cursor and why it is required?
What are field types?
What is the difference between distinct and unique in sql?
What is clustered and nonclustered index in sql?
Why indexing is needed?
What is bind variable in pl sql?
What is the maximum rows in csv?
What is difference between pl and sql?