What is an index and types of indexes. How many number of
indexes can be used per table ?
Answers were Sorted based on User's Feedback
Answer / rm thirunavukkarasu
Index is used to Retrive the Information in efficient
manner. And query processor perform reliably.
There are 3 types of Index namely
*Cluster based Index
*Non Cluster based Index
*Noncomposite Index
*Compositive Index
*Unique Index
For more info adt sql plz visit www.thiruna.blog.com
| Is This Answer Correct ? | 8 Yes | 16 No |
Answer / sandip kumar chaturvedi
index is a data structure that improve the operation on
table.there are two types of index.
1) ordered index.
2) hashed index.
up to 249 clustered indexes per table.
| Is This Answer Correct ? | 20 Yes | 33 No |
how to use myisamchk to check or repair myisam tables? : Sql dba
What are aggregate and scalar functions?
How to convert comma separated string to array in pl/sql?
How to run pl/sql statements in sql*plus?
scope of exception handling in plsql
What is clustered index in sql?
What are the Restrictions on Cursor Variables?
What are the types of triggers ?
26 Answers Aspire, BirlaSoft, TCS,
What is trigger and types?
create a store procedure and created synonms for that store procedure after modify that store procedure will effect on synonms? If we delete the store procedure what happened to that synonms?
What is a join?
What is the difference between clustered and non-clustered indexes?
Oracle (3259)
SQL Server (4518)
MS Access (429)
MySQL (1402)
Postgre (483)
Sybase (267)
DB Architecture (141)
DB Administration (291)
DB Development (113)
SQL PLSQL (3330)
MongoDB (502)
IBM Informix (50)
Neo4j (82)
InfluxDB (0)
Apache CouchDB (44)
Firebird (5)
Database Management (1411)
Databases AllOther (288)