sqldf: Manipulate R Data Frames Using SQL
Version 0.4-11

The sqldf() function is typically passed a single argument which is an SQL select statement where the table names are ordinary R data frame names. sqldf() transparently sets up a database, imports the data frames into that database, performs the SQL select or other statement and returns the result using a heuristic to determine which class to assign to each column of the returned data frame. The sqldf() or read.csv.sql() functions can also be used to read filtered files into R even if the original files are larger than R itself can handle. 'RSQLite', 'RH2', 'RMySQL' and 'RPostgreSQL' backends are supported.

Package details

AuthorG. Grothendieck <[email protected]>
Date of publication2017-06-28 06:43:10 UTC
MaintainerG. Grothendieck <[email protected]>
URL https://github.com/ggrothendieck/sqldf https://groups.google.com/group/sqldf
Package repositoryView on CRAN
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sqldf documentation built on July 4, 2017, 9:39 a.m.