This post explains some aspects of IT security on databases. It is part of the main post about introduction to IT security. Database Concurrency Issues Lost updates occur when one transaction writes a value to the database that overwrites a…
Document store database are NoSQL databases. List of Document Store Databases Document stores are specifically designed to handle JSON-like documents. Document store solutions: Apache CouchDB Apache CouchDB is a document store database. It is FOSS, under an Apache 2.0 license.…
Entity relationship (ER) Model is a software engineering model that was developed to represent databases. They were first developed by Peter Chen and published in the paper “The Entity Relationship Model – Toward a Unified View of Data” in 1976.…
Tabular or relational databases are those that can be organized in tables. In opposition to tabular or relational databases there is NoSQL databases. Database Normalization You can read more about database normalization on this post. 12 Codd’s Rules The 12…