Difference between revisions of "Index (PostgreSQL)"
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(Created page with " SELECT relname, 100 * idx_scan / (seq_scan + idx_scan) percent_of_times_index_used, n_live_tup rows_in_table FROM pg_stat_user_tables WHERE seq_...") |
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| − | + | * https://www.postgresql.org/docs/current/indexes.html | |
SELECT | SELECT | ||
| Line 12: | Line 12: | ||
n_live_tup DESC; | n_live_tup DESC; | ||
| + | Ref: https://www.craigkerstiens.com/2012/10/01/understanding-postgres-performance/ | ||
| + | |||
| + | |||
| + | relname | percent_of_times_index_used | rows_in_table | ||
| + | ---------+-----------------------------+--------------- | ||
| + | (0 rows) | ||
| + | |||
| + | [[\di]] | ||
| + | Did not find any relations. | ||
| + | |||
| + | |||
| + | |||
| + | == Related == | ||
| + | * [[Database index]] | ||
| + | * [[Schema]] | ||
| + | * [[PostgreSQL Index Locking]] | ||
== See also == | == See also == | ||
| + | * {{CREATE INDEX}} | ||
* {{PostgreSQL}} | * {{PostgreSQL}} | ||
[[Category:PostgreSQL]] | [[Category:PostgreSQL]] | ||
Latest revision as of 10:24, 11 July 2023
SELECT relname, 100 * idx_scan / (seq_scan + idx_scan) percent_of_times_index_used, n_live_tup rows_in_table FROM pg_stat_user_tables WHERE seq_scan + idx_scan > 0 ORDER BY n_live_tup DESC;
Ref: https://www.craigkerstiens.com/2012/10/01/understanding-postgres-performance/
relname | percent_of_times_index_used | rows_in_table ---------+-----------------------------+--------------- (0 rows)
\di Did not find any relations.
Related[edit]
See also[edit]
- Index (PostgreSQL):
create index, Index Locking - PostgreSQL:
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