How do I program the use of Z index on a database table

Hello friends,
I need an example of an ABAP program where the use of a customer defined index (, i.e. Z**) on a DB table is forced.
I do not want to use primary index. I've created an index and I want to use / force my own index in the program.
Any ideas please?
Thanks for your help.

Hi,
As per my knowledge Nothing to specify as secondary index in program.
Regards
Md.MaahboobKhan

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How do I program the use of Z index on a database table

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