Database monitoring, performance tuning and query optimization are critical operations for maintaining an efficient database system. A key component in PostgreSQL for this purpose is the pg_stat_all_tables view.
pg_stat_all_tables offers real time statistics on table activities such as number of sequential and index scans performed on a table, updates, deletes, inserts, and more. It also offers information on dead tuples along with vacuum and analyze stats which enables DB admins to make data-driven decisions. Here’s a table detailing the columns in the pg_stat_all_tables:
Click through for that table about tables.