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C20.0046: Database Management Systems Lecture #1 - page 26 / 40

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M.P. Johnson, DBMS, Stern/NYU, Sp2004

26

Database Industry

Relational databases are a great success of theoretical ideas.

based on most “theoretical” type of math there is: set theory

DBMS companies are among the largest software companies in the world.

Oracle, IBM (with DB2), Microsoft (SQL Server, Microsoft Access), Sybase.

Also opensource: MySQL, Postgres, etc.

$20B+ industry.

XML (“semi-structured data”) also important

New lingua franca for exchanging data

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