From the course: CompTIA Data+ (DA0-002) Cert Prep

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Non-relational databases

Non-relational databases

From the course: CompTIA Data+ (DA0-002) Cert Prep

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Non-relational databases

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- [Instructor] While most of the databases used by businesses are standard relational databases made up of tables containing rows and columns, there are other database technologies that are not relational. These non-relational databases excel at very specific tasks, and we've already talked about key value stores and how they can facilitate the very fast storage and retrieval of information based upon a key index. These key value stores don't have all of the rules and overhead of a relational database, and that allows them to run very quickly in support of web applications and other tasks requiring a very simple database. Graph databases are another type of non-relational database. These databases store information in a graph structure using nodes to represent data elements and then edges between those nodes to represent relationships. Graph databases, such as the Neo4j platform, are excellent at storing data about the relationships between people, networks, and similar data objects…

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