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When do we create bitmap indexes

Question Posted / guest

Answers were Sorted based on User's Feedback



When do we create bitmap indexes..

Answer / guest

A.OLTP
B.DSS
C.Where clause has functions
D.Tables that have only one record

Is This Answer Correct ?    19 Yes 2 No

When do we create bitmap indexes..

Answer / hitendra yadav

If there is very less cardinality (i.e. 1% of total column
values) or distinct values in column then we have to create
BITMAP index for that column like GENDER column will always
have 2 values MALE or FEMALE.

Syntex:-

Create bitmap index index_name on table_name(column_name);

Is This Answer Correct ?    17 Yes 1 No

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