Interested to Buy Any Domain ? << Click Here >> for more details...
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
What is the advantage of index in sql?
Inline the values in PL/SQL, what does it mean.?
When to use inner join and left join?
how to include character strings in sql statements? : Sql dba
What type of database is cloud sql?
How do you explain an index?
what is the difference between truncate and delete statement? : Transact sql
Why do we need databases?
Why commit is not used in triggers?
what is error ora-03113: end-of-file on communication channel?
Explain raise_application_error.
What are sql procedures?
How many databases can sql express handle?
What does rownum mean in sql?
How can you fetch common records from two tables?
