Monday, October 15, 2012

Object/Relational Algebra 2: Function Properties

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Previously I introduced the idea that functional notation allowed relational algebra to play well with other mathematical disciplines, and t...
1 comment:
Thursday, October 11, 2012

Object-Relational Algebra 1: Definitions and Assumptions

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 Introduction This post begins a series to try to establish a mathematical basis for object-relational database systems.  The idea here is...

NoSQL-like Approaches to PostgreSQL, a reply to Martin Fowler

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The major point of many of Martin Fowler's blog posts, repeated in his book, is that NoSQL represents a movement away from integrating o...
6 comments:
Monday, October 8, 2012

Three Approaches to Object-Relational Databases: PostgreSQL, Oracle, and Informix

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PostgreSQL vs Informix Probably the closest database object-relationally to Postgres is Informix.  Informix in fact got its object-relatio...
Wednesday, October 3, 2012

Faq: Why is LedgerSMB PostgreSQL-only?

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We get asked a lot, why is LedgerSMB Postgresql-only?  Why not run on MySQL?  After all, since 5.0, MySQL has offered relatively decent type...
1 comment:
Monday, October 1, 2012

Towards a simple explanation of Object-Relational Database Management Systems

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A relational database management system is a piece of software which takes organized information and processes it in order to answer questio...
2 comments:
Thursday, September 27, 2012

O/R Series Epilogue 2: Towards a not-so-simple explanation of Object Relational Database Management Systems

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Object relational databases build on the relational model but focus on answering questions regarding information that is derived from other ...