Описание тега sqldf

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SQLDF is an R package for running SQL statements on R data frames.

SQLDF is an R package for running SQL statements on R data frames.

The user simply specifies an SQL statement in R using data frame names in place of table names and a database with appropriate table layouts/schema is automatically created, the data frames are automatically loaded into the database, the specified SQL statement is executed, the result is read back into R and the database is deleted all automatically behind the scenes.

sqldf supports:

  • the SQLite backend database (by default),
  • the H2 java database,
  • the PostgreSQL database and
  • sqldf 0.4-0 onwards also supports MySQL.

Resources: