PostgreSQL DBA

SQL Aggregation in PostgreSQL- Introduction: Aggregation functions in PostgreSQL calculate values for groups of rows, summarize data, and provide meaningful insights. These functions help analyze data and generate reports by retrieving aggregated information from large […]

In PostgreSQL, maintaining the database plays a crucial role in optimizing performance and ensuring efficient storage use. Vacuuming is one of the key maintenance tasks that remove dead rows, reclaim space, and improve query performance. […]

Empowering Your Database with PostgreSQL 15 Data Types Advancements: Performance, Efficiency, and Innovation Introduction: PostgreSQL 15 introduces several new data types and enhances existing ones. These improvements offer greater flexibility and boost performance for database […]

Parallel Labeling for Functions and Aggregation Parallel Labeling for Functions and Aggregation is a feature in PostgreSQL that allows certain functions and aggregations to run in parallel. It utilizes multiple CPUs and cores to speed […]

In PostgreSQL, background processes play a crucial role in managing various tasks that are essential for the database to function efficiently. These background processes are responsible for handling maintenance tasks, background jobs, and other critical […]

PostgreSQL Process and Memory Architecture: PostgreSQL is a multi-process, multi-threaded relational database management system. It consists of various processes and uses a combination of shared and private memory to manage data and provide concurrent access to […]

Introduction: Configuring the PostgreSQL configuration file plays a crucial role in optimizing database performance, stability, and security. However, you must recognize potential pitfalls in the default settings. Some default values do not suit all environments […]

In PostgreSQL, a clustered index works through a feature called “clustered table” or “clustered index scan.” It physically reorders a table’s rows based on the indexed column(s). This process directly determines how PostgreSQL organizes data […]