Blob is a data type that stores binary information, like images or audio files, in databases or when transmitting over networks. Think of it as a big ol' bucket of bits - you can dump whatever you want in there, but good luck trying to make sense of it later.
I tried to store my entire music collection in a single Blob field in my database, but now my queries are slower than a Commodore 64 loading from a cassette tape. My coworker said he's using Blobs to store user-uploaded profile pictures, but I'm pretty sure he's just too lazy to set up a proper file storage system.
When to use a BLOB data type in SQL Server: This article dives into the pros and cons of using BLOBs in SQL Server databases and provides guidance on when it's appropriate to use them. Link
Handling BLOB Data in MySQL: If you're stuck working with BLOBs in MySQL, this tutorial will walk you through the basics of storing and retrieving binary data. Link
BLOB Storage in Azure: Getting Started: For those of you building apps on the Microsoft stack, this guide will show you how to use Azure's BLOB storage service to inflict binary data on your unsuspecting users. Link
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