You're reading from Mastering PostgreSQL 15 - Fifth Edition

Product typeBook

Published inJan 2023

PublisherPackt

ISBN-139781803248349

Edition5th Edition

Concepts

Robotic Process Automation

Author (1)

Hans-Jürgen Schönig

Digging into row-level security

Up to this point, a table has always been shown as a whole. When the table contained a million rows, it was possible to retrieve a million rows from it. If somebody had the right to read a table, it meant the entire table. In many cases, this is not enough. It is often desirable that a user is not allowed to see all the rows.

Consider the following real-world example, where an accountant is doing accounting work for many people. The table containing tax rates should really be visible to everybody, as everybody has to pay the same rates. However, when it comes to the actual transactions, the accountant might want to ensure that everybody is only allowed to see their own transactions. Person A should not be allowed to see person B’s data. In addition to that, it might also make sense that the boss of a division is allowed to see all the data in their part of the company.

RLS has been designed to do exactly this and enables you to build multi...

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Mastering PostgreSQL 15 - Fifth Edition

Published in: Jan 2023Publisher: PacktISBN-13: 9781803248349

Author (1)

Hans-Jürgen Schönig

Hans-Jürgen Schönig has 20 years' experience with PostgreSQL. He is the CEO of a PostgreSQL consulting and support company called CYBERTEC PostgreSQL International GmbH. It has successfully served countless customers around the globe. Before founding CYBERTEC PostgreSQL International GmbH in 2000, he worked as a database developer at a private research company that focused on the Austrian labor market, where he primarily worked on data mining and forecast models. He has also written several books about PostgreSQL.
Read more about Hans-Jürgen Schönig

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You're reading from Mastering PostgreSQL 15 - Fifth Edition

Digging into row-level security

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