Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

I am creating an index on Emp table Empno column,if u using
this indexed column in ur SELECT stmt. where clause,then how
do u know that yr index will be working or nor?
Thanks Advance...

Answer Posted / suresh ramsing

You execute your query like
explain plan for select sal from emp where empno='1224';
after that check this below one.
select * from table(dbms_xplan.display);
here u can find it'll be excuted by using index or TABLE ACCESS FULL

Is This Answer Correct ?    4 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Why truncate is used in sql?

1042


Is join same as left join?

1080


What is partition in sql query?

1044


What is user in sql?

1073


What is the difference between the sql*loader and import utilities? : aql loader

1088


how to dump a table to a file with 'mysqldump'? : Sql dba

1097


What is insert command in sql?

1186


What is raid? How does it help storage of databases?

1129


What is a join query?

1002


How many tables can you join in sql?

1006


What is the difference between rollback and rollback to statements?

1098


Can we call a function containing dml statements in a select query?

1023


What is the purpose of my sql?

1009


what are the different tables present in mysql, which type of table is generated when we are creating a table in the following syntax: create table employee (eno int(2),ename varchar(10)) ? : Sql dba

1077


What is normalization in a database?

1196