Answer / sachin

When the selection criteria of select does not use primary
keys. Also the performance of the select for the fields of
criteria is poor then we can create secondary index through se11 on that table . use code inspector SCI tcode or st05
as performance tool for this.

Answer / kartik

When the selection criteria of select does not use primary
keys. Also the performance of the select for the fields of
criteria is poor. In this case it is good idea to use
secondary index.

Answer / sudheer

i ur tables no primarykeys are not their then u have to use secondary indexes.
bcoz u dont have any primarykey u dont search the records properly.
but inthis case secondary indexes are chosen.
in secondary indexes search the records by using non primary keys in a table.
i performance wise primary key is best when compared to secondary index

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