MongoDB

In the workflow below, we will load some web data using the AviationStack API (see also here) and load it into a collection called AviationData)

Now that the data is loaded, in the next workflow we will query it. We will select all flights Departing from Nanjing Lukou airport.

Below you can see the workflow and the resulting rows.

MongoDB Atlas has a very convenient AI assistant to help you generate queries. Below you can see a screenshot. 

You just type in what you want to see (flights with departure airport "NKG") and it will return you the Query predicate

... and then you just paste this into the MongoDB Reader node: