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 provides the infrastructure for collecting statistics on foreign tables, so the planner will be able to consider such information, provided that the feature is implemented in the specific Foreign Data Wrapper you are using. For example, statistics are supported by oracle_fdw.
The latest improvements for foreign tables include trigger support, IMPORT FOREIGN SCHEMA, and several improvements to the query planner.
Particularly useful for database administrators is the IMPORT FOREIGN SCHEMA syntax, which can be used to create foreign tables for all tables and views in a given remote schema with a single statement.
Among the query planner improvements, we wish to mention Join Pushdown. In a nutshell: a query that joins ...
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