RAT Relational Algebra Translator

Free software to convert relational algebra to SQL
RAT allows students to write statements in relational algebra which are translated to SQL language in order to verify the correct syntax for these expressions. RAT also allows connections to relational databases such as Oracle, MySQL, SQL Server, Postgres, Access to name a few, through a connection option for the student to visually obtain the results of their consultations in the form of tables.

Latest News
The new version of the RAT includes better connectivity to Oracle Database on 64bit architecture