Databases are often the biggest performance bottleneck in an application. Before diving into things, let’s look at a snapshot of the current database ecosystem and the market share of various types of databases: As you can see, relational databases are still the most used type of database despite all the hype around NoSQL databases.

When it comes down to database performance, there’s nothing magical that makes one perform better than another.

Data compression — How data is https://thenewstack.io/in-storage-compression-saves-money-boosts-performance/ will factor into how much it costs to store your data and the query performance of the database.

This isn’t as big of an issue if your application is such an ideal fit for a specialized database that it can act as the primary database for the application’s data.

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