Difference between revisions of "Pg stat user tables"
Jump to navigation
Jump to search
Line 13: | Line 13: | ||
</pre> | </pre> | ||
− | |||
== [[PostgreSQL VACUUM]] == | == [[PostgreSQL VACUUM]] == | ||
Line 25: | Line 24: | ||
== Related terms == | == Related terms == | ||
* <code>[[pg_statio_user_tables]]</code> | * <code>[[pg_statio_user_tables]]</code> | ||
+ | *[[Cache hit ratio]]: <code>[[pg_statio_user_tables]]</code> | ||
+ | |||
== See also == | == See also == |
Revision as of 17:15, 25 August 2021
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;
PostgreSQL VACUUM
SELECT schemaname, relname, last_vacuum, last_autovacuum, vacuum_count, autovacuum_count FROM pg_stat_user_tables;
Related terms
See also
- SQL, NewSQL, RDMS: GraphQL (2015), SQLite,
select, insert
,select count
, Distributed SQL, TablePlus, Cache hit ratio,pg_stat_user_tables
,EXPLAIN
, Index (PostgreSQL), DDL, SQL/MED, Group by, List users, SQL Injection, SQLAlchemy,CREATE USER, CREATE ROLE, EXPLAIN, ALTER DATABASE, REVOKE, NOLOCK, NOWAIT, EXISTS
, Unique constraint,.sql
- PostgreSQL:
pg_dump, pg_restore
,pgAdmin, pg_config, psql, pg_ctl, pg_isready, initdb
, Role, Schema, DBeaver, Navicat, DataGrip, OmniDB,Adminer
, docker-compose.xml PostgreSQL, PostgreSQL version, PostgreSQL logs,postgresql.conf
,pg_hba.conf, $HOME/.pg_service.conf
, Create database (PostgreSQL), Create user,createdb
,GRANT
,pg_stat
, PostgreSQL VACUUM, EXPLAIN,pg stat activity
, Autovacuum, ALTER DATABASE, PostgreSQL statistics collector, Shared buffers, EXPLAIN (PostgreSQL),EXPLAIN ANALYZE
, Bitmap scan,EXPLAIN VERBOSE
,EXPLAIN VERBOSE (PostgresSQL)
,WAL
,ALTER USER
,CREATE ROLE, CREATE USER
,\du
,show users
,\l
, The Statistics Collector, pganalyze,cron.schedule
, Master,pg_tables
, PostgreSQL replication,CREATE, SET
, TOAST, PgBouncer, Restore DB, Index, meta-commands, Table, foreign table, Schema, Sequence, Views, materialized view, Table Partitioning, monitoring, PostgreSQL System Administration Functions, PostgreSQL extension, privileges, logging, PGTune, PostgreSQL parameter tunning, PostgreSQL modules, pgbench, PostgreSQL users, catalogs
Advertising: