'Pass algorithms' presentation slideshows

CS4433 Database Systems

CS4433 Database Systems. Query Processing. Why Do We Learn This?. How to implement ( efficiently ) SQL queries in a relational database system? As a DBA, how to tune you database system in order to have better performance ?

524 views • 52 slides

Query Processing

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 tuple r in R do if r and s match then ouput the join of r and s How to optimize this?.

489 views • 31 slides

Query Processing

Query Processing. Query Execution One-Pass Algorithms. Source: our textbook. Overview of Query Processing. SQL query. parse query. query expression tree. Query Compilation (Ch 16). select logical query plan. Query Optimization. logical query plan tree. select physical query plan.

329 views • 22 slides

313 views • 21 slides

Lecture 30: Final Review

194 views • 19 slides

Lecture 24: Final Review

Lecture 24: Final Review. Friday, March 10, 2006. The Final. Date: Wednesday, March 15, 2006 Time: 2:30-4:20 Place: this room Open book exam. Problem 1. Data modeling/relational model/SQL. Data Modeling. E/R diagrams Keys Relationships Inheritance Mapping to relations.

185 views • 18 slides

COP5725 Advanced Database Systems

COP5725 Advanced Database Systems. Final Review. Spring 2014. Final Exam. Time : Tuesday 04/29/2013 10am --- 12pm Venue : LOV 103, in-class exam Closed book/note, but you can bring a piece of cheat sheet (A4, double side) Plan your strategy well

317 views • 17 slides