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...


In a table i have columns A,B,C and i have a composite index
on columns A,B if so will the following query uses index or
not?
SELECT sal,name
FROM <table_name>
WHERE A=<value> AND B=<value> AND C=<value>;

Answers were Sorted based on User's Feedback



In a table i have columns A,B,C and i have a composite index on columns A,B if so will the followi..

Answer / kishore vakiti

index range scan

Is This Answer Correct ?    1 Yes 1 No

In a table i have columns A,B,C and i have a composite index on columns A,B if so will the followi..

Answer / dinesh

Table Access (BY INDEX ROWID)
Filter predicates C=
INDEX(UNIQUE SCAN) A= B=

Here we use "AND" operator that query used index
if we used "OR" its not used Index scan

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More SQL PLSQL Interview Questions

what is bdb (berkeleydb)? : Sql dba

0 Answers  


Can we use more than one null value for unique key?

31 Answers   A1 Technology, Wipro,


What is the use of primary key?

0 Answers  


What does sql stand for?

0 Answers  


How do you use collections in procedure to return the resultset?

0 Answers  


define primary key & secondary key?

2 Answers  


Are subqueries faster than joins?

0 Answers  


Is time a data type in sql?

0 Answers  


Is left join inner or outer?

0 Answers  


How many levels can subqueries be nested in a FROM clause?

7 Answers  


What is embedded sql what are its advantages?

0 Answers  


how to findout the 100th maximum salary

28 Answers   Amdocs,


Categories