What is index and also its types in DBMS?

1.	What is index and also its types in DBMS?
Answer» The database index is the data structure that is defined on the COLUMNS of the database table. Database indexing speed up the data retrieval process. There are 3 types of indexing in DBMS:- PRIMARY Index Secondary index Clustered index

Answer»

The database index is the data structure that is defined on the COLUMNS of the database table. Database indexing speed up the data retrieval process.

There are 3 types of indexing in DBMS:-

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