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Relational algebra
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== External links == {{external links|date=January 2017}} * [https://web.archive.org/web/20220330063834/https://www.slinfo.una.ac.cr/rat/rat.html RAT Relational Algebra Translator] Free software to convert relational algebra to SQL * [http://www.databaselecture.com/processing.html Lecture Videos: Relational Algebra Processing] - An introduction to how database systems process relational algebra * [http://www.databasteknik.se/webbkursen/relalg-lecture/index.html Lecture Notes: Relational Algebra] β A quick tutorial to adapt SQL queries into relational algebra * [https://ltworf.codeberg.page/relational/ Relational β A graphic implementation of the relational algebra] * [https://graal.ens-lyon.fr/~yrobert/henri3/ioannidis96query.pdf Query Optimization] This paper is an introduction into the use of the relational algebra in optimizing queries, and includes numerous citations for more in-depth study. <!-- (Page deleted; Closest alternatives: [https://web.stanford.edu/class/cs345d-01/rl/chaudhuri98.pdf Standford Query Optimization 2], [https://web.stanford.edu/class/cs345d-01/rl/chaudhuri98.pdf Microsoft research Query Optimization in relational systems], [http://infolab.stanford.edu/lore/pubs/qo.pdf Stanford paper: Query Optimization]) --> * [https://www.cse.fau.edu/~marty/index.html#RADownload Relational Algebra System for Oracle and Microsoft SQL Server] * [https://centaurialpha.github.io/pireal/index.html Pireal β An experimental educational tool for working with Relational Algebra] * [http://des.sourceforge.net DES β An educational tool for working with Relational Algebra and other formal languages] * [https://dbis-uibk.github.io/relax/ RelaX - Relational Algebra Calculator] (open-source software available as an online service without registration) * [https://users.cs.duke.edu/~junyang/ra2/ RA: A Relational Algebra Interpreter] * [http://mlwiki.org/index.php/Translating_SQL_to_Relational_Algebra Translating SQL to Relational Algebra] {{Databases}} [[Category:Relational algebra| ]] [[Category:Relational model]] [[Category:Database management systems]]
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