A Tiny Intro to Database Systems

Here is a short summary of DBMS : database management systems.

Part of the motivation behind those little chapters is described in another blog post here.

If you would like to read those in a nicely formatted PDF or if you have any questions / suggestions / requests, feel free to send me a tweet @dandancrisan.

 
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Now read this

Intro to Database Systems - Part 2 : The Entity-Relationship Model

@dandancrisan This page will cover the following keywords : E/R diagram, E/R schema, entities, their attributes, entity sets, keys, ISA hierarchies, overlap constraints, covering constraints (specialization, generalization),... Continue →