Answer Posted / 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 |
Post New Answer View All Answers
What is the example of procedure?
Can we call stored procedure in function?
How we can update the view?
how to analyze tables with 'mysqlcheck'? : Sql dba
What will you get by the cursor attribute sql%notfound?
What is sql scripting?
How do you explain an index number?
What are the different types of database management systems?
How do you clear the screen in sql?
What is the difference between subquery and correlated query?
What are the triggers associated with image items?
Is it possible to link two groups inside a cross products after the cross products group has been created?
Can you do multiple joins in sql?
how to use in conditions? : Sql dba
What are the various levels of constraints?