Question
Explain the concept of column-level statistics and histograms in query optimization and cost-based query planning, and how they inform the query optimizer about data distribution,
Explain the concept of column-level statistics and histograms in query optimization and cost-based query planning, and how they inform the query optimizer about data distribution, selectivity estimates, and cardinality estimates for efficient query execution?
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Financial Markets and Institutions
Authors: Anthony Saunders, Marcia Cornett
6th edition
9780077641849, 77861663, 77641841, 978-0077861667
