Principals of Data Access – Accessing Your Data

Data access is a term that refers to the ability to store, retrieve, transfer, and copy data from one system or application to another. It crucially involves security, legal, and, in some cases, national matters. In addition to the last two, we will also cover some security topics in this chapter.

As data engineers or scientists, knowing how to retrieve data correctly is necessary. Some of it may require encrypted authentication, and for this, we need to understand how some decrypting libraries work and how to use them without compromising or leaking sensitive data. Data access also refers to the levels of authorization a system or database have, from administration to read-only roles.

In this chapter, we will cover how the levels of data access are defined and the most used libraries and authentication methods in the data ingestion process.

In this chapter, you will work through the following recipes:

• Implementing...