Stream SQL
StreamSQL is a query language that extends SQL with the ability to process real-time data streams. SQL is primarily intended for manipulating relations (also known as tables), which are finite bags of tuples (rows). StreamSQL adds the ability to manipulate streams, which are infinite sequences of tuples that are not all available at the same time. Because streams are infinite, operations over streams must be monotonic. Queries over streams are generally "continuous", executing for long periods of time and returning incremental results.
The StreamSQL language is typically used in the context of a Data Stream Management System (DSMS), for applications including algorithmic trading, market data analytics, network monitoring, surveillance, e-fraud detection and prevention, clickstream analytics and real-time compliance (anti-money laundering, RegNMS, MiFID).
Read more about Stream SQL: Technical Details, History
Famous quotes containing the word stream:
“Once you get into this great stream of history you can’t get out. You can drown. Or you can be pulled ashore by the tide. But it is awfully hard to get out when you are in the middle of the stream—if it is intended that you stay there.”
—Richard M. Nixon (1913–1995)