PG_STAT_SYS_TABLES

PG_STAT_SYS_TABLES displays statistics about the system catalogs of all the namespaces in pg_catalog and information_schema schemas.

Table 1 PG_STAT_SYS_TABLES columns

Name	Type	Description
relid	oid	OID of a table
schemaname	name	Schema name of the table
relname	name	Table name
seq_scan	bigint	Number of sequential scans initiated on the table
seq_tup_read	bigint	Number of live rows fetched by sequential scans
idx_scan	bigint	Number of index scans initiated on the table
idx_tup_fetch	bigint	Number of live rows 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 (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 when the table was manually vacuumed (excluding VACUUM FULL)
last_autovacuum	timestamp with time zone	Last time when the table was vacuumed by the autovacuum daemon
last_analyze	timestamp with time zone	Last time when the table was manually analyzed
last_autoanalyze	timestamp with time zone	Last time when the table was analyzed by the autovacuum daemon
vacuum_count	bigint	Number of times the table has been manually vacuumed (not counting VACUUM FULL)
autovacuum_count	bigint	Number of times the table has been vacuumed by the autovacuum daemon
analyze_count	bigint	Number of times the table has been manually analyzed
autoanalyze_count	bigint	Number of times the table has been analyzed by the autovacuum daemon
last_data_changed	timestamp with time zone	Last modification time of the table data