100+ Query trees PowerPoint (PPT) Presentations, Query trees PPTs

Query trees - PowerPoint PPT Presentation

Distributed Databases

Distributed Databases. Fragmentation vs Query optimization. Query Processing Steps. Decomposition Given SQL query, generate one or more algebraic query trees Localization Rewrite query trees, replacing relations by fragments Optimization

★ ★ ★ ★ ★

647 views • 46 slides

Chapter 15

Chapter 15. Algorithms for Query Processing and Optimization. Translating SQL Queries into Relational Algebra. Algorithms for External Sorting. Algorithms for SELECT and JOIN Operations. Implementing the SELECT Operation Implementing the JOIN Operation.

★ ★ ★ ★ ★

133 views • 13 slides

View Query trees PowerPoint (PPT) presentations online in SlideServe. SlideServe has a very huge collection of Query trees PowerPoint presentations. You can view or download Query trees presentations for your school assignment or business presentation. Browse for the presentations on every topic that you want.

'Query trees' presentation slideshows

Query trees - PowerPoint PPT Presentation

Distributed Databases

Chapter 15