- Magic Sets algorithm
**Magic Sets**is the name of aquery transformationalgorithm for processing recursive queries written inDatalog .**References*** Francois Bancilhon, David Maier, Yehoshua Sagiv, Jeffrey D Ullman. "Magic sets and other strange ways to implement logic programs (extended abstract)". Proceedings of the fifth ACM SIGACT-SIGMOD symposium on Principles of database systems, March 24-26, 1986, Cambridge, Massachusetts.

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