Database Market Share

Databases are a very practical and useful subject. Before studying it, we need to know its trend. Otherwise, we may study obsolete technologies.

Market Share of Database Management Systems (DBMSs)
The DBMS industry offers diverse technologies such as ORDBMS (object-relational), RDBMS (relational), XDBMS (XML), NoSQL, etc.


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%.

Review: Database models
Which is NOT one of database (DBMS) models?
      AIDBMS (artificial intelligence)
      ORDBMS (object-relational)
      RDBMS (relational)
      XDBMS (XML)
Result:        




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