What is index? How many types of indexes?

Answers were Sorted based on User's Feedback



What is index? How many types of indexes?..

Answer / kishore

Index is a performance tuning method of allowing faster
retrieval of records. Oracle indexing is a standing B-Tree
indexing for fast retrieval.

Syntax: CREATE INDEX EmpInfo ON Employee(EmpID,Emp_Name)

we have two types indexes

1. Clustered indexes
2. Non-Clustred indexes

Is This Answer Correct ?    36 Yes 9 No

What is index? How many types of indexes?..

Answer / ruchi

index is a data structure used for fast retrival of data.

Is This Answer Correct ?    7 Yes 3 No

Post New Answer

More Oracle AllOther Interview Questions

How to find 8th person record in a table? Plz mail ur answers to mak2786@gmail.com Regards Arun

8 Answers  


what is domain in database and its benefits?

0 Answers  


how can we add a field to the oracle standard forms through Form Persanlization or custom.pll

0 Answers   TCS,


Explain how to close periods in ar. : oracle accounts receivable

0 Answers  


Describe what redo logs are.

1 Answers  






What do you mean by hz_ in customer tables? : oracle accounts receivable

0 Answers  


WHAT IS CARTESIAN PRODUCT?

2 Answers  


What is the Symbol use for Inner Join

1 Answers   Oracle, TCS,


Can we modify approve purchase order?if yes what is navigation?

0 Answers   L&T,


How do you resize a data file?

2 Answers  


Hey i want to join oracle apps so will you pls tell me that which institute is best in hyderabad.

0 Answers  


HOW TO SPOT AHIERARCHY?

0 Answers  


Categories
  • Oracle General Interview Questions Oracle General (1789)
  • Oracle DBA (Database Administration) Interview Questions Oracle DBA (Database Administration) (261)
  • Oracle Call Interface (OCI) Interview Questions Oracle Call Interface (OCI) (10)
  • Oracle Architecture Interview Questions Oracle Architecture (90)
  • Oracle Security Interview Questions Oracle Security (38)
  • Oracle Forms Reports Interview Questions Oracle Forms Reports (510)
  • Oracle Data Integrator (ODI) Interview Questions Oracle Data Integrator (ODI) (120)
  • Oracle ETL Interview Questions Oracle ETL (15)
  • Oracle RAC Interview Questions Oracle RAC (93)
  • Oracle D2K Interview Questions Oracle D2K (72)
  • Oracle AllOther Interview Questions Oracle AllOther (241)