SQL: The Ultimate Beginners Guide To Learn SQL In Less Than 24 Hours by Elijah ANDERSON

SQL: The Ultimate Beginners Guide To Learn SQL In Less Than 24 Hours by Elijah ANDERSON

Author:Elijah ANDERSON [ANDERSON, Elijah]
Language: eng
Format: epub
Published: 2017-02-05T08:00:00+00:00


Chapter 5 – Post-Relational Databases - The NOSQL Movement

The Relational Database Management system is a great innovation of the previous decade. The RDMBS enforces an ACID based transaction processing and recovery system where A = Atomicity C = Concurrency I = Isolation and D= Durability.

Even though the RDBMS supports an excellent Query subsystem, there are some negative points of the RDBMS such as:

Unwanted accumulation of redo logs files. RDBMSs provide for a feature of Commit and Rollback of the transactions to enable these ACID properties. These cause an unnecessary overhead.



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