| Query goal: | Find all covering indexes, which include data from additional columns in leaf blocks. |
| Query type: | General (Overview of some aspect of the database.) |
| Query license: | MIT License |
| Data source: | INFORMATION_SCHEMA+system catalog |
| SQL query: | Click on query to copy it
SELECT schemaname, tablename, indexdef FROM pg_catalog.pg_indexes WHERE indexdef LIKE '% INCLUDE %' 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 schemaname, tablename, indexdef; |
| Collection name | Collection description |
|---|---|
| Find problems by overview | Queries 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 . |
| Category name | Category description |
|---|---|
| Performance | Queries of this category provide information about indexes in a database. |
| Reference |
|---|
| https://info.crunchydata.com/blog/why-covering-indexes-are-incredibly-helpful |