The diagram is labeled “Oracle RAC Database.” This graphic depicts two database instances, Instance 1 and Instance 2, each with an SGA that contains a database buffer cache and an IM column store. The IM column store in Instance 1 contains sales_2013_pt. The IM column store in Instance 2 contains sales_2014_pt. Beneath the SGA is a the database, which contains data files, control files, and online redo logs.