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Writing SQL to Query R data.frames

Tomaz Kastrun tries out a package:

There are many R packages for querying SQL Databases. Recently, I was looking into sqldf package | CRAN documentation.

There are so many great advantages (simple running SQL statements, creating, loading, deleteing data to data.frames, connectivity to many databases, support for SQL functions, data types and many many more) , but one that was really a major win was interactions with data frames and SQL Language.

Between sqldf and dbplyr, you get it both ways: treat a data.frame like a SQL table, or treat a SQL database like R data.frames.

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