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.
Column | Type | Description |
|---|---|---|
relid | OID | Table OID |
schemaname | Name | Schema name of the table |
relname | Name | Name of a table |
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 updated by HOT (no separate index update is 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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