May 2019
Intermediate to advanced
600 pages
20h 46m
English
book
PostgreSQL 11 Administration Cookbook
by Simon Riggs, Gianni Ciolli, Sudheer Kumar Meesala, Sheldon Strauch
Content preview from PostgreSQL 11 Administration Cookbook
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How it works…
Restoring a single table from a logical backup is relatively easy, as each logical object is backed up separately from the others, and its data and metadata can be filtered out.
However, a physical backup is composed of a set of binary data files, in a complex storage format that can be interpreted by a PostgreSQL engine.
This means that the only way to extract individual objects from it, at present, is to restore the backup on a new instance, and then make a logical dump, as explained in the previous recipe: there's no way to restore a single table from a physical backup in just a single step.
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