Setup database connections
There is a src_*()
function to setup a connection to each
of the database backends. Each has their own unique set of parameters.
MongoDB - src_mongo()
SQLite - src_sqlite()
Elasticsearch - src_elastic()
CouchDB - src_couchdb()
PostgreSQL - src_postgres()
Documentation details for each database:
MongoDB - https://docs.mongodb.com/
SQLite/JSON1 - https://www.sqlite.org/json1.html
Elasticsearch - https://www.elastic.co/guide/en/elasticsearch/reference/current/index.html
CouchDB - http://docs.couchdb.org/
PostgreSQL - https://www.postgresql.org/docs/current/functions-json.html
Documentation for R packages used by nodbi
for the databases:
mongolite - https://CRAN.R-project.org/package=mongolite
RPostgres - https://rpostgres.r-dbi.org/