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8. Query Processing - Computer Science- UC Davis
web.cs.ucdavis.eduDept. of Computer Science UC Davis 8. Query Processing and Optimization. ECS-165A WQ’11 137 Basic Steps in Processing an SQL Query ... Representation as logical query plan (a tree): o o CName Price > 5000 CName Price > 5000 ORDERS CUSTOMERS ORDERS OFFERS ... ECS-165A WQ’11 139 Catalog Information for Cost Estimation Information about ...