By Surajit Chaudhuri
Communications of the ACM,
October 2009,
Vol. 52 No. 10, Page 86
10.1145/1562764.1562786
Comments
Relational systems have made it possible to query large collections of data in a declarative style through languages such as SQL. There is a key component that is needed to support this declarative style of programming and that is the query optimizer.
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