There is a table, In one column it has implemented a index,
but the index is disturbed by the regular dml statements..
but still we need to keep the index. how it is possible?

Answer Posted / a.v.r.murthy

GENERALLY INDEX WILL BE CREATED ON LESS NUMBER OF DML
OPERATION COLUMNS.
EVENTHOUGH IF WE WANT PERFORM BETTER THEN BEFORE INSERTING
DATA INTO THE COLUMN WE HAVE TO DISABLE THE INDEX i.e
ALTER INDEX IDX_NAME UNUSABLE;

Is This Answer Correct ?    7 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Why is partition used in sql?

550


Explain unique key in sql.

564


Explain about various levels of constraint.

525


Do prepared statements prevent sql injection?

530


What is the difference between partition and index?

485






What is the mutating table and constraining table?

561


What type of database is cloud sql?

576


Is subquery faster than join?

570


How do I restart sql?

526


What is the difference between in and between in sql?

576


What are the operators used in select statements?

578


What are inner outer left and right joins in sql?

518


What do you think about pl/sql?

535


what is a constraint? : Sql dba

715


What is a primary key called that is made up of more than one field?

797