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Physical plan operators - PowerPoint PPT Presentation

CMPT 454

Query Optimization. CMPT 454. Query Optimization. Introduction Query Execution Unary Operations External Sorting Binary Operations. Query Compilation Steps. Parsing Construct a parse tree for a query Generate equivalent logical query plans

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1.17k views • 95 slides

CMPT 454

Query Optimization. CMPT 454. Query Compilation. Parsing Construct a parse tree for a query Generate equivalent logical query plans Convert the parse tree to a query plan in relational algebra Transform the plan into more efficient equivalents Generate a physical plan

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1.06k views • 88 slides

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CMPT 454

CMPT 454