Provides information about remote tables with primary keys that correspond to a specified foreign key. The server must be defined with the CREATE SERVER statement to use this system procedure.
sp_remote_imported_keys( @server_name , @sp_name [, @sp_owner [, @sp_qualifier ] ] )
See "sp_remote_imported_keys system procedure" in SQL Anywhere Server – SQL Reference.
Chapter 4, “Accessing Remote Data” and Chapter 5, “Server Classes for Remote Data Access” in the System Administration Guide: Volume 2.
CREATE SERVER statement in Reference: Statements and Options