Recent posts tagged databases

What Is a Graph Database? A graph database is a specialized storage engine designed to treat relationships between data points with the exact same importance as the data points themselves. Instead of storing information in rigid rows, columns, and ...

If you have ever used an online app to transfer money, buy a concert ticket, or update your profile, you have relied on a database. Behind the scenes, databases must process millions of instructions without making mistakes, even if the power suddenly...

Database sharding is a database architecture technique that splits a single, massive database into smaller, faster, and more easily managed pieces called shards. Instead of keeping all of your data on one giant computer, you distribute it across seve...

What is Connection Pooling? Connection pooling is a software development technique used to share a cache of database connections among multiple users or requests. Instead of opening and closing a brand-new connection to the database every time an a...

Understanding the N+1 Query Problem The N+1 query problem is a very common database performance bottleneck that occurs when an application makes far too many sequential network requests to a database to fetch related sets of data. Instead of asking...

Most of us reach for a vector database the first time an app needs memory, and it holds up right until it does not. This is the piece that changed how I score retrieval, so I am putting it here in case anyone else is hitting the same wall. A retriev...

What is the N+1 Query Problem? The N+1 query problem is a common database performance bottleneck where an application makes far too many separate requests to a database to fetch related pieces of information. Instead of querying the database once t...

Most of us here have built or maintained something that tracks stock, usually bolted onto an order table that was never designed for it. The domain looks trivial right up until a second sales channel appears, so it is worth writing down where the rea...

Every dev team I know has a backlog of "can you pull this number for me" requests from the business side. The interesting shift this year is that plain English querying is finally good enough to hand a lot of that work back. How the conversational a...

UUID v4 is the default choice for most developers. But UUID v7 exists for a reason — and if you're using UUIDs as database primary keys, the difference matters significantly. What's the difference? UUID v4 is 128 bits of cryptographically random da...

UUID Universally Unique Identifier generation seems trivial, but the choice of UUID version, storage format, and primary key strategy significantly affects database performance at scale. Here's what you need to know. What is a UUID? A UUID is a 128...

The Problem That Wouldn't Go Away Early in a project I was working on, a customer filed a billing dispute. Simple enough, except when we went to check what subscription plan they were on at the time of the charge, we couldn't tell. Our database only ...

The Archivist, the Accountant, and the Infinite Library: Demystifying Row-Based, Column-Based Databases, and the Hadoop Ecosystem In the world of data, there is no one-size-fits-all solution. The way we store and access information can be the diffe...