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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

The quick-and-dirty way

If you are sure that you have no use for the cumulative statistics gathered by PostgreSQL, you can just reset all table statistics by executing the following command:

SELECT pg_stat_reset();

This sets all statistics to zero, and you can detect table use by just looking for tables where any usage count is not zero.

Of course, you can make a backup copy of the statistics table first, as follows:

CREATE TABLE backup_stat_user_tables AS       SELECT current_timestamp AS snaptime,              * FROM pg_stat_user_tables;
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Publisher Resources

ISBN: 9781788474924Supplemental Content