WHAT IS INDEXING?

Answer Posted / savithri

A database index is a data structure that improves the
speed of operations in a table. Indices can be created
using one or more columns, providing the basis for both
rapid random lookups and efficient ordering of access to
records.

Is This Answer Correct ?    6 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is an extensible database?

467


What's the difference between file and database? Can files qualify as a database?

474


What is tuple in rdbms?

576


How many types of data are there?

498


Explain the terms specialization and generalization.

515






What are the database skills?

500


Is declare cursor executable?

529


define aggregate functions.

531


Explain concurrency transparency.

582


Does youtube use a database?

509


What are the database objects?

508


Which parameters are optional in init.ora parameter file?

1746


How do I convert a spreadsheet to a database?

457


What is authorization and integrity manager?

566


Difference between data and information, and how are they related in a database?

498