Altering IMS indexes
You can add or remove a secondary index from a full-function or a DEDB database.
Adding a secondary index to a full-function database
You can add a secondary index to a full-function database to process a segment type in a sequence other than the one defined by the key of the segment.
Adding a secondary index to a new primary DEDB
You can add a secondary index to a new primary DEDB database to process a segment type in a sequence other than the one defined by the segment's key.
Adding a secondary index to a DEDB
You can add a secondary index to an existing DEDB database to process a segment type in a sequence other than the one defined by the segment's key.
Dropping an index
You can remove a secondary index from a DEDB database if it is no longer necessary.
Parent topic:
Defining databases with DDL
Parent topic:
Modifying databases
Related concepts
Creating secondary indexes
How secondary indexes restructure the hierarchy of databases
Related tasks
Dropping an index