Goal Find indexes that are used by the DBMS.
Notes The query does not exclude indexes that have been created to enforce a constraint.
Type General (Overview of some aspect of the database.)
License MIT License
Data Source INFORMATION_SCHEMA+system catalog
SQL Query
SELECT schemaname AS table_schema, relname AS table_name, indexrelname AS index_name, idx_scan 
FROM  pg_stat_all_indexes INNER JOIN pg_index USING (indexrelid)
WHERE idx_scan>0
AND schemaname NOT IN (SELECT schema_name
FROM INFORMATION_SCHEMA.schemata
WHERE schema_name<>'public' AND
schema_owner='postgres' AND schema_name IS NOT NULL)
ORDER BY idx_scan DESC;

Collections

This query belongs to the following collections:

NameDescription
Find problems by overviewQueries that results point to different aspects of database that might have problems. A human reviewer has to decide based on the results as to whether there are problems or not .
Categories

This query is classified under the following categories:

NameDescription
Data at the database physical levelQueries of this category provide information about the disk usage.
PerformanceQueries of this category provide information about indexes in a database.