From the course: Complete Guide to Generative AI for Data Analysis and Data Science

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NoSQL databases

NoSQL databases

From the course: Complete Guide to Generative AI for Data Analysis and Data Science

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NoSQL databases

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- [Instructor] NoSQL databases are an alternative to relational databases when we're working in data analytics. Now, some key characteristics of NoSQL databases are that they employ flexible schemas with a variety of data models. So now with relational databases, we define the structure of what the tables will look like, what tables will we have, and what columns they will have, and a number of other characteristics of tables. We define those before we put data into the database. With NoSQL database, we can figure out the structure of the data as the data is coming in. So we have this ability to be flexible. Now, another feature of NoSQL databases is that they are horizontally scalable. Now what that means is we can create a relational database and implement it on a cluster or a set of servers that all work together. And if we need more sort of horsepower, we can add more servers to our cluster. So what we're doing is just adding more servers to the set of servers that are doing the…

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