jorritvm / test_db

Test R database connections

db_test

Test R database connections

• 01-test_sqlite.R
  Build a sqlite persistent database using the 'RSqlite' package.

• 02-dplyr_db.R
  use dplyr function "copy_to" to write to the .db file
  use dplyr syntax to query from the database

• 03-benchmark_dt_versus_sqlite.R
  create a very big dataframe (850MB)
  benchmark: write it to disk as a data.table in RDS & as a table in sqlite
  benchmark: read it from disk in its entirety benchmark: perform a query in data table versus in sqlite additional test: use dtplyer to create data.table code in dplyr syntax