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PostgreSQL 10 Administration Cookbook - Fourth Edition
book

PostgreSQL 10 Administration Cookbook - Fourth Edition

by Simon Riggs, Gianni Ciolli
May 2018
Intermediate to advanced content levelIntermediate to advanced
576 pages
30h 25m
English
Packt Publishing
Content preview from PostgreSQL 10 Administration Cookbook - Fourth Edition

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Consider a table t with columns c1, c2, and c3; there are two different ways of authorizing user u to perform the following query:

SELECT * FROM t;

The first is by granting a table-level privilege as follows:

GRANT SELECT ON TABLE t TO u;

The alternative way is by granting column-level privileges as follows:

GRANT SELECT (c1,c2,c3) ON TABLE t TO u;

Despite these two ways having overlapping effects, table-level privileges are distinct from column-level privileges, which is correct since the meaning of each is different. Granting privileges on a table means to all columns present and future, while column-level privileges require the explicit indication of columns and, therefore, don't extend automatically to new columns.

The way ...
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Publisher Resources

ISBN: 9781788474924Supplemental Content