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PostgreSQL Table Row Count Estimates with SQL This PostgreSQL query returns estimated row counts for all user tables, sorted by the largest tables first. It reads from PostgreSQL's cumulative statistics rather than scanning the tables, making it near-instant even on tables with billions of rows. Purpose and Overview …

PostgreSQL Memory Settings Query: Monitor Database Memory Configuration This PostgreSQL query helps database administrators monitor and analyze memory-related configuration settings in their database instance. By querying the pg_settings system catalog view, you can quickly identify current memory parameters, their …

PostgreSQL Logging Configuration Query - Monitor Database Settings This PostgreSQL query provides database administrators with essential insights into logging configuration parameters by querying the pg_settings system view. The query specifically targets logging-related settings while filtering out WAL (Write-Ahead …

Inspect PostgreSQL Lock Management Settings Where pg_locks shows the locks held right now, pg_settings shows the rules that govern them: how long a session waits before PostgreSQL checks for a deadlock, how big the shared lock table is, and when a statement gives up waiting. The query below lists the lock settings with …

PostgreSQL File Location Settings Query Guide This PostgreSQL query helps database administrators examine file location configuration settings by querying the pg_settings system view. It retrieves essential information about where PostgreSQL stores its files and directories. Purpose and Overview The query targets …

PostgreSQL Error Handling Settings Query Guide using pg_settings PostgreSQL's pg_settings system view provides comprehensive information about database configuration parameters, particularly those related to error handling and logging. This query helps database administrators monitor and analyze error-related settings …

Monitor PostgreSQL Active Sessions with pg_stat_activity pg_stat_activity is the system view that shows every backend process running against a PostgreSQL server right now — one row per server process, with the client address, the query it is running, how long it has been running, and what kind of backend it is. A …

Monitor Running Queries in PostgreSQL with pg_stat_activity Where pg_stat_statements aggregates queries that already finished and pgBadger reads logs after the fact, pg_stat_activity is the real-time snapshot: one row per server process, showing what each one is doing at the moment the query runs. It is the right …

Restarting All PostgreSQL Sequences with SQL Script Database administrators often face challenges with PostgreSQL sequences, especially after data has been deleted or when tables have been re-imported. Sequences drive the generation of auto-incrementing values (like primary keys using SERIAL or BIGSERIAL), and …

PostgreSQL Lock Monitoring: Gain Insights into Locks with Query and Age Purpose This PostgreSQL SQL query equips you to monitor locks held by active database sessions along with their associated queries and age. This detailed information proves invaluable for performance tuning, troubleshooting lock conflicts, and …