In addition to the different database types, changes in technology development approaches and dramatic advances such as the cloud and automation are propelling databases in entirely new directions.

Other, less common databases are tailored to very specific scientific, financial, or other functions. These are only a few of the several dozen types of databases in use today. An OLTP database is a speedy, analytic database designed for large numbers of transactions performed by multiple users. A graph database stores data in terms of entities and the relationships between entities.NoSQL databases grew popular as web applications became more common and more complex. A NoSQL, or nonrelational database, allows unstructured and semistructured data to be stored and manipulated (in contrast to a relational database, which defines how all data inserted into the database must be composed).A central repository for data, a data warehouse is a type of database specifically designed for fast query and analysis.The database may be stored on multiple computers, located in the same physical location, or scattered over different networks. A distributed database consists of two or more files located in different sites.Information in an object-oriented database is represented in the form of objects, as in object-oriented programming.Relational database technology provides the most efficient and flexible way to access structured information. Items in a relational database are organized as a set of tables with columns and rows. Relational databases became dominant in the 1980s.The best database for a specific organization depends on how the organization intends to use the data. There are many different types of databases.

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