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Published byArron Hodges Modified over 9 years ago
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Modeling MongoDB with Relational Model Proposed by Christopher Polanco
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Outline Introduction MongoDB Relation Algebra Relational Model of MongoDB MongoDB Relational Algebra Operations of MongoDB
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Introduction E.F. Codd Relational DB SQL Relational DB not enough NoSQL
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MongoDB Open source document-oriented DB BSON Many features Load Balancing Indexing Replication Etc Many Differences
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Relational Algebra E.F. Codd Six primitive operators union set difference Cartesian product selection projection rename
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Relational Model of MongoDB Modeling MongoDB Relation DB similarities Collection -> Table Document -> Tuple Keys -> Fields Keys defined in tuple
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Operation of MongoDB Find SELECT Distinct Used to query all the values of a given key Group GROUP BY Join Not Supported
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GROUP BY
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Conclusion
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Questions?
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