From the course: CompTIA Tech+ (FC0-U71) Cert Prep
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Database details: Part 2
From the course: CompTIA Tech+ (FC0-U71) Cert Prep
Database details: Part 2
- We're continuing our discussion on databases. We'll look at how different database structures handle storage, ensure data persistence, and maintain data availability. First, let's talk about storage and data persistence. Storage is where your data lives, and persistence means keeping that data safe, even if the system loses power or restarts. Databases handle this in different ways. For example, relational databases like SQL store data in tables and rows, which makes it easy to retrieve and update. NoSQL databases, on the other hand, may use structures like documents or key value pairs, making them ideal for rapidly changing or large volumes of unstructured data. When it comes to data persistence, both types ensure data is saved and backed up, but relational databases often have stricter consistency checks, which helps with accuracy. An example of a consistency check would be verifying that a customer's billing address in a database matches the shipping address listed for the same…