PG_STAT_SYS_TABLES
PG_STAT_SYS_TABLES displays the statistics about the system catalogs of all the namespaces in pg_catalog and information_schema schemas.
| Name | Type | Description |
|---|---|---|
| relid | oid | Table OID |
| schemaname | name | Schema name of the table |
| relname | name | Table name |
| seq_scan | bigint | Number of sequential scans started on the table |
| seq_tup_read | bigint | Number of rows that have live data fetched by sequential scans |
| idx_scan | bigint | Number of index scans |
| idx_tup_fetch | bigint | Number of rows that have live data fetched by index scans |
| n_tup_ins | bigint | Number of rows inserted |
| n_tup_upd | bigint | Number of rows updated |
| n_tup_del | bigint | Number of rows deleted |
| n_tup_hot_upd | bigint | Number of rows HOT updated (that is, with no separate index update required) |
| n_live_tup | bigint | Estimated number of live rows |
| n_dead_tup | bigint | Estimated number of dead rows |
| last_vacuum | timestamp with time zone | Last time at which this table was manually vacuumed (excluding VACUUM FULL) |
| last_autovacuum | timestamp with time zone | Last time at which this table was automatically vacuumed |
| last_analyze | timestamp with time zone | Last time at which this table was analyzed |
| last_autoanalyze | timestamp with time zone | Last time at which this table was automatically analyzed |
| vacuum_count | bigint | Number of vacuum operations (excluding VACUUM FULL) |
| autovacuum_count | bigint | Number of autovacuum operations |
| analyze_count | bigint | Number of analyze operations |
| autoanalyze_count | bigint | Number of autoanalyze operations |
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