Release 10.1A: OpenEdge Development:
ADM Reference

setDeleteTables

Stores a comma-separated list of tables to be deleted.

Location: wbdata.p

Parameters:

INPUT pcDeleteTables AS CHARACTER Returns: LOGICAL

Notes:

This can be used to delete only one of the joined tables, it can also be useful to define the sequence of deletion.
The empty string is treated as a "*": if the argument is a blank, then the deleteRow() will delete all the tables in the query.