I did a presentation and blog on MySQL in the junior phase of a engineering program and came across another database called PostgreSQL. Now that I'm in the senior phase, I've had the opportunity to le...
What Actually Happens When You Run:SELECT * FROM table_name;While it might look simple, this SQL query kicks off a powerful chain of events deep inside the PostgreSQL engine. Let’s dive into the jou...
According to StackOverflow's 2024 developer survey, PostgreSQL's popularity has steadily risen from 26% in 2017 to 49% in 2024, making it the most popular database management system and a go-to choice...
In relational databases like PostgreSQL, seemingly simple operations — such as updating JSON field — can hide significant complexity. Behind the scenes, mechanisms like TOAST and tombstones come i...
Mastering PostgreSQL CTEs (Common Table Expressions) for Complex QueriesCommon Table Expressions (CTEs) in PostgreSQL are a powerful feature that can help simplify complex queries, improve readability...
Mastering PostgreSQL CTEs: Recursive Queries for Hierarchical DataCommon Table Expressions (CTEs) are a powerful feature in PostgreSQL that allow you to write modular, readable queries. When used recu...
If you're using macOS, the steps to install PostgreSQL and set up your environment are slightly different. Here's how to do it:✅ Step 1: Install PostgreSQL on macOSOption 1: Using Homebrew (Recommen...
Here’s a step-by-step example of a CRUD (Create, Read, Update, Delete) operation using Java Spring Boot with PostgreSQL, updated for 2025 best practices.✅ Tools & Technologies:
Java 17+ (LTS)
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PostgreSQL is powerful, flexible, and impressively stable.
But even Postgres has internal limits — some hard, some soft.Most of the time, you’ll never encounter them.
But if you push the system ...
Need to write flexible SQL queries in PostgreSQL? Use the CASE statement to return different results depending on your conditions. Whether you're customizing output, formatting values, or sorting manu...