Tag: postgresql

Database Concurrency Control: A Guide to Isolation Levels & Locking

Imagine two people trying to book the last seat on a plane at the exact same time. Without a good

Many developers start text searches with a simple SQL query. You probably recognize this pattern: WHERE description ILIKE ‘%search term%’.

Does your application have a table with hundreds of millions of rows? Do simple queries take minutes instead of seconds?

PostgreSQL performance tuning is a skill every developer and administrator should have. In this guide, you will learn how to

Does your application feel slow? As your data grows, queries that were once instant now take seconds, or even minutes.

Do you worry about data consistency? Manual data checks and forgotten updates can lead to serious problems in any application.

Do you find your applications making multiple trips to the database to get a single job done? Each trip adds

Your First Big Step: Why Creating a Database is a Milestone Starting a new project is exciting. Whether you are

Every piece of data in your application needs a home. Think of a database as a digital filing cabinet. The

Your database tables are ready. You have designed the perfect structure. But without any data, a database is just an