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List Your PostgreSQL Databases by Size (With Access Check) Keeping your PostgreSQL database server organized is crucial for optimal performance and manageability. A critical aspect of this organization is understanding the storage footprint of each database. This SQL code snippet empowers you to efficiently retrieve a …
Read MoreIdentifying Blocking PostgreSQL Queries using pg_stat_activity
Mar 25, 2024 / · 3 min read · pg_blocking_pids pg_stat_activity postgresql locks database performance database administration ·Identifying Blocking PostgreSQL Queries: A Guide for Database Administrators This article explores a PostgreSQL query designed to identify currently blocked database queries and the processes (identified by PIDs) responsible for blocking them. This information is crucial for database administrators troubleshooting …
Read MorePostgreSQL query to find columns containing only NULL values
Mar 24, 2024 / · 3 min read · postgresql database optimization database schema design database administration pg_class pg_namespace pg_attribute pg_type pg_statistic information_schema ·Identifying Null-Only Columns in PostgreSQL This article explores a valuable PostgreSQL query for database administrators. It helps identify columns within your database tables that exclusively contain NULL values. Uncovering these "null-only" columns can be a key step in optimizing storage usage and streamlining your …
Read MorePostgreSQL Backend Connections via pg_stat_database
Mar 20, 2024 / · 3 min read · postgresql database administration performance optimization pg_stat_database ·Database Connections: A Look at PostgreSQL Backends This article delves into a PostgreSQL code snippet that sheds light on the number of backend connections established for each database within a PostgreSQL instance. We'll dissect the code, explore its purpose, and glean valuable insights for database administrators …
Read MoreHow Many Connections Can Your PostgreSQL Database Handle?
How Many Connections Can Your PostgreSQL Database Handle? Understanding the maximum number of connections your PostgreSQL database can accommodate is crucial for optimal performance and preventing bottlenecks. This post dives deep into the SHOW max_connections command, explaining its purpose, breakdown, and key …
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