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This paper introduces the concept of letting an RDBMS Optimizer optimize its own environment. In our project, we have used the DB2 Optimizer to tackle the index selection problem, a variation of the knapack problem. This paper will discuss our implementation of index recommendation, the user interface, and provide measurements on the quality of the recommended indexes.doi:10.1109/icde.2000.839397 dblp:conf/icde/ValentinZZLS00 fatcat:sxb56wqrbvhhpaw4hcudiz7a4u