Slide 1Copyright © 2011 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Chapter 5 More SQL: Complex Queries, Triggers, Views, and Schema Modification Slide…

Slide 1 1 Query Processing Two-Pass Algorithms Source: our textbook Slide 2 2 Nested-Loop Joins Another helpful primitive. Main idea to join relations R and S: for each tuple…

Slide 1 Stream Processing Zachary G. Ives University of Pennsylvania CIS 650 – Database & Information Systems March 30, 2005 Slide 2 2 Administrivia  Thursday, L101,…

Query Processing Two-Pass Algorithms Source: our textbook Nested-Loop Joins Another helpful primitive. Main idea to join relations R and S: for each tuple s in S do for each…

CSC271 Database Systems CSC271 Database Systems Lecture # 9 Summary: Previous Lecture Cartesian product Join Theta join, equijoin, natural join Outer join (left, right, full)…

Schedule Today (TH) Bags and SQL Queries. Read Sections 6.1-6.3. Project Part 2 due. Oct. 16 (T) Duplicates, Aggregation, Modifications. Read Sections 5.3-5.4, 6.4-6.5. Assignment…

CSC271 Database Systems CSC271 Database Systems Lecture # 9 Summary: Previous Lecture Cartesian product Join Theta join, equijoin, natural join Outer join (left, right, full)…