To enable keyed searches on super descriptors that contain NC or NU constituent fields when criteria is not supplied for all columns of the super descriptor.
Example
Select * from localhost.dbo.adabas_file_15 where AA='1234' {forceadanukey}
{forceadanukey} only applies to NU or NC compound keys (super descriptors).
For more information on how and when to use {forceadanukey}, see Sub / Super Descriptor Handling.