MongoDB (destination ETL/ELT)
(1) The MongoDB alias.
(2) The operation to be performed.
(3) The collection to which the query refers (similar to a table in an SQL database).
(4) Opens the wizard, see (5) to create the query (6).
(5) The wizard for creating the query. ETL/ELT fields can be used with $Fieldname and ETL/ELT variables with @VAR@.
(6) The query. The wrote documents are the 'rows'.