Adding and modifying data

Your application program can query, modify, or delete data in any IMS segment for which you have the appropriate level of access.

Inserting rows
You can insert data into segments using the SQL INSERT statement.
Updating segment data
You can change a field value to another value or remove the field value altogether.
Deleting data from segments
You can delete data from a segment by deleting one or more rows from the segment, by deleting all rows from the segment, or by dropping fields from the segment.

Parent topic: Writing application programs for SQL