Chapter 22

Database systems


Historians are the database of the real-time process conditions. This chapter deals with the basics of the historian systems and different types of the architectures and topologies. The chapter covers the basics and an overview of the data processing, data compression techniques, and the like. The data storage and retrieval, recovery techniques, security aspects, and systems management are covered in detail in this chapter.


data compression

22.1. Historian database

22.1.1. Introduction to historian database

The plant historian or plant history database is responsible for capturing data from various automation subsystems in the plant and consolidating and ...

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