Posts

Unveiling Your PostgreSQL Server: A Treasure Trove of Information This comprehensive PostgreSQL script delves into the inner workings of your database server, revealing valuable details about its version, configuration, connections, users, and more. It empowers database administrators and developers with insights to …

Identifying Underutilized Columns in Your PostgreSQL Database Keeping your PostgreSQL database clean and efficient is crucial for optimal performance. One way to achieve this is by identifying and potentially removing "useless" columns – those that hold minimal or redundant data. This article explores a PostgreSQL code …

Quickly Assess Your PostgreSQL Database Landscape by Size Managing multiple PostgreSQL databases requires an understanding of their storage footprint. This article introduces a simple yet effective PostgreSQL code snippet that helps you quickly determine the size of each database in your system, ordered by their …

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 …

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 …

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 …

Monitoring Active Queries in PostgreSQL for Performance Optimization Introduction Ensuring smooth database performance is crucial for modern applications. In PostgreSQL, the number of active queries can significantly impact responsiveness. This article explores a PostgreSQL query that effectively counts active queries, …

Identifying Blocking Queries in PostgreSQL: Keeping Your Database Running Smoothly Have you ever encountered sluggish performance in your PostgreSQL database? One culprit could be blocking queries. These are queries that are waiting on resources held by other queries, creating a chain reaction that slows everything …

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 …

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 …