A database provides an opportunity to store photos and other small images in a database table. A database table is created when you intend to create an online photo album with photo descriptions. However, this process has a set of advantages and disadvantages.
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In this article, we are going to discuss good databases to store images along with some frequently asked questions as well. Let’s begin.
What is the best place for storing images, SQL database, or disk file system?
Generally speaking, users tend to store files on the file system. Although it is made for that purpose, there are some exceptions. For files, the file system happens to be the most flexible and permanent solution.
Furthermore, there are some problems with storing files on a database. One of them is that the files are typically much larger than your average row. Whereas, another issue is that results-sets containing many large files will also consume a lot of memory. In addition to that, if you are using a storage engine that employs table-lock for writes, files might be locked depending on the rate and size of files you are storing there.
To-Do or Not to Do
Using a database to store or not store your images has always attracted fierce debates. Some professionals state that the advantages overtake the disadvantages. For instance, if you are storing images in a database, it will basically be one system for you to manage. If you wish to backup the metadata and Blobs, simply backup the database. If you wish to replicate them, simply replicate the database. Overall, it provides easier management and comparatively more consistency.
Database vs File System Storage
Professionals generally suggest storing files on the file system. The reason is that file systems are already tuned for storing files. However, there are several drawbacks as well that you need to consider, especially when it comes to backup, management, and restoration. Additionally, professionals argue that although file systems are a better option but not practical with more than 3000 images per folder.
Should I store my images in the database or folders?
Users mostly tend to prefer using the directory method for storing their images while keeping the properties in a database. But if you were to store the images in folders, it will provide you more flexibility in case you run out of storage space. Meanwhile, you can use the database for files that need to be secure. While using a file system to store images, make sure that the folders are not overloaded with images. Otherwise, it will become a nightmare for you to manage.
Blob or File System?
If you are using Windows, you should store as much as you can in the database. The File System on the other hand can sometimes be slow and unreliable. But if you are using Linux, then you have comparatively more options. The problem with Blobs is that they aren’t searchable in many databases. While a database is optimized for transactions and latency etc, a blob store is ideal for storing millions of images.