April 2026
Beginner
493 pages
23h 2m
English
Content preview from SQL
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2.6 Authorization
We can use databases to store all kinds of data. Some databases may store harmless, noncritical data, such as books in a public library or the product catalog of a music store. In such cases, data privacy may not be the number-one priority, and database administrators may simply allow all database users access any data without restrictions.
On the other hand, some databases store sensitive data, such as passwords, credit card numbers, VIP contact information, salaries, and private images. In such cases, database administrators typically prefer to restrict access. Some common database tables will be accessible to anyone with an account, while access to sensitive tables will be limited to certain privileged users only.
Database ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.