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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PostgreSQL 9.6 includes the basic parallel query feature. In this release, it works with Seq Scans, aggregation, and to a certain extent, with joins. For many cases, this is a very useful addition. PostgreSQL 10 added plan improvements that allow parallel query to work with B-tree index scans, bitmap heap scans, merge joins, and non-correlated subqueries. Also, starting PostgreSQL 10, you can now get parallel query plans from SQL inside procedural language functions.
If you have an immediate requirement for higher levels of scalability or very large databases, then you'll want to look at the Postgres-XL project. Postgres-XL is an open source project that uses the PostgreSQL License and has a modified PostgreSQL to provide multi-node ...
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