sc_connection_edit - This macro edits an existing connection at runtime.

sc_connection_new - This macro creates new connections dynamically.

sc_reset_connection_edit - This macro undoes the connection edits made by macro "sc_connection_edit".

sc_reset_connection_new - This macro undoes the connections made by the macro "sc_connection_new".

sc_where_orig - This macro saves the where clause content of the original application selected.