The tools discussed in this section have a lot of documentation and examples. Please refer to these sites for more information:
- System Administration Functions: https://www.postgresql.org/docs/current/static/functions-admin.html
- The Statistics Collector: https://www.postgresql.org/docs/current/static/monitoring-stats.html
- pgstattuple: https://www.postgresql.org/docs/current/static/pgstattuple.html