Types of databases
Mainly there are four types of databases:
- Relational databases (or SQL databases)
- Unstructured databases (NoSQL)
- Distributed databases
- Blockchain
The distinctions between these databases are not cut and dried technologically and in practice. For instance, distributed databases are essentially a combination of different types of databases in multiple locations. Here, we will discuss these types of databases to develop a better appreciation for the way databases organize data according to a situation's needs. We will also briefly talk about the differences and similarities, as well as the advantages and disadvantages, of the types of databases.
Why do we need to know the types of databases for data preprocessing?
Each of the four types of databases organizes and stores the data differently. As our data analytics journey always involves locating and collecting data from various databases, knowing different kinds of databases serves...