Sql Queries

PostgreSQL WAL Settings Query Guide This PostgreSQL query retrieves all Write-Ahead Log (WAL) configuration settings from the pg_settings system view. WAL settings control durability, crash recovery, checkpointing, archiving, and replication log generation. Purpose and Overview The Write-Ahead Log is the foundation of …

List PostgreSQL Tables by Size with SQL This PostgreSQL query lists all tables in the current database sorted by their total size, largest first. It uses pg_total_relation_size() to include the table data, indexes, TOAST storage, and free space map in the size calculation. Purpose and Overview Disk space pressure is a …

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 the statistics collector rather than scanning the tables, making it near-instant even on tables with billions of rows. Purpose and Overview Counting …

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 …

PostgreSQL Lock Management Settings Query Guide accessing system table pg_settings PostgreSQL's lock management system is crucial for maintaining data consistency and preventing conflicts in concurrent database operations. This guide demonstrates how to query and analyze lock-related configuration settings using the …

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 …

PostgreSQL Developer Settings Query: How to View Database Configuration Options This PostgreSQL query allows database administrators and developers to examine developer-specific configuration settings in their PostgreSQL database. The query targets the pg_settings system catalog to retrieve detailed information about …

PostgreSQL Connection Settings Query - Complete Guide to pg_settings This PostgreSQL query provides database administrators with essential connection configuration parameters by querying the pg_settings system view. Understanding these settings is crucial for optimizing database connectivity and troubleshooting …