Another Market Share of Open-Source Databases
Another snapshot of open-source databases in 2018 is given below. MySQL is used more frequently from the RDBMS collection but when it comes to NoSQL databases, MongoDB is used at a higher rate, while the second popular one is CouchDB. MongoDB and CouchDB are the best examples of NoSQL databases. Both databases are known to provide a high performance and availability when it comes to scalable databases. That is why NoSQL is favored by enterprises, which own huge amount of data like big data.
| The small and medium-size businesses may prefer MySQL instead. MongoDB and CouchDB work in the concept of collection and document. Although both databases have similarities, they include major differences as per the requirements of business. |
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Market Share of Relational DBMSs
The chart below shows RDBMS market share in 2017. The RDBMS market is concentrated among a few vendors.
| The leading vendor in the RDBMS industry was Oracle with 42% RDBMS market share in 2017, followed by Microsoft with 24% RDBMS market share, IBM with 13% market share, SAP with 7%, Teradata with 3%, and others with 11%. |
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