Relational database systems have been, and are still in use, since the 1970s. They are hugely popular and many database systems today are relational databases. However, NoSQL started to be introduced around 2009. NoSQL databases are not based on a tabular structure, they are schema less, allowing for flexibility of structure and data. NoSQL databases are increasing in popularity, and are being used by large companies, such as Walmart or Netflix, whether wholly or in conjunction with relational database. Popular examples of NoSQL databases include MongoDB, AWS DynamoDB and CouchDB.
My question is, will relational databases continue to be the most popular?
- Yes
- No
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