One better: use a SQL database with a PK, and a text field containing your JSON data. If your DB is Postgres, it'll even let you parse & query the JSON on the DB side.
Re:The Verdict on MongoDB
by jasonmccay on Saturday March 22, 2014 @02:18PM
(#7450174)
People who swing hammers all day look at screwdrivers as the most confounding things. Why would you ever use a screw when you have nails?
But why even bother with MongoDB? You could just use a text editor to make bunch of JSON text files, with one record per file.
Then, once you better-understand the data, and you haven't made many "schema" changes for a while, you can set up a SQL database and import everything.