Is NoSQL hard to learn if you know SQL?

Question

In short, using NoSQL databases is not difficult. The difficulty comes in using it for the right places in the right way. First of all, it is important to understand that NoSQL doesn't follow the same principles as Relational Databases such as fixed schemas, normalization, support for expressive queries like SQL. 23 нояб. 2018 г.

Should I learn both SQL and NoSQL?

If your data is very structured and ACID compliance is a must, SQL is a great choice. On the other hand, if your data requirements aren't clear or if your data is unstructured, NoSQL may be your best bet. The data you store in a NoSQL database does not need a predefined schema like you do for a SQL database.

Which should I learn first SQL or NoSQL?

It is only when a traditional SQL database doesn't meet my needs that I consider a NoSQL database. With that said, I would say learn SQL first. You will learn a lot about database design, normalization and you'll learn the importance of ACID-compliance. Then go learn NoSQL if you think you really need to.

Should I learn SQL or NoSQL for data science?

If you are new to programming and data science, SQL is the best language to start with. A short syntax allows you to query data and get insights from it. As an aspiring data scientist, you need to learn SQL since it is easy to master.

How long does it take to learn NoSQL?

How Long Does it Take to Learn MongoDB? Given that MongoDB is a powerful and detailed database management solution, you will probably need about three weeks to get a good start in it.

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