Using SQL to Access Data in MySQL Databases

July 28th, 2009

In a previous post we have looked at opening and closing connections from R to a MySQL database and some basic operations for creating and deleting tables. In this post we will consider using SQL queries to extract parts of a table from the database based on different search criteria. Read the rest of this entry »

Using R to Access Data in a MySQL database

July 24th, 2009

The R import/export manual discusses various approaches to handling data and mentions that R is not suitable for working with large data sets because data objects are stored in memory during a session. There are situations where using a database to hold the data and making use of one of the R libraries for database connectivity to access the data or to save the data. Read the rest of this entry »

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