GIT Cheatsheet

Just a list of some git commands that can be useful in daily work. Very often it can be rather hard to remember all this commands and where this cheatsheet can be helpful. It covers only those commands and combinations that i consider usefull for me and defenitly there more amd more commands that someone else may consider irreplaceable.

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Weekly#1

For a long time I was using browser bookmarks features to save links, but it doesn’t perform well on a large number of links as very often I didn’t return to reading them… So, I decided to put the most valuable and interesting for links into weekly posts.

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Relational Algebra Introduction

Relational algebra didn’t get much attention outside of pure mathematics until Edgar F. Codd’s publication on the relational data in 1970. Codd proposed such algebra as a basis for database query languages. In expressive power, relational algebra is equivalent to relational calculus (and thus first-order logic). This result is known as Codd’s theorem named after E. F. Codd, the father of the relational model for database management.

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Axiom and ROM posts series

In the next several weeks I plan to publish a series of articles on Relational algebra, AXIOM and ROM topics.

The articles plan will be the following:

  1. Relational Algebra and Brief Introduction to Axiom
  2. High-level architecture(Axiom + ROM)
  3. Axiom(implementation details)
  4. ROM and Adapters
  5. How-To(Sql, NoSql)

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