'Multilevel index' diaporamas de présentation

Indexing and Hashing

Indexing and Hashing. Outline. Basic Concepts Ordered Indices B+-Tree Index Files B-Tree Index Files Static Hashing Dynamic Hashing Comparison of Ordered Indexing and Hashing Index Definition in SQL Multiple-Key Access. pointer. search-key. Basic Concepts.

1.41k views • 56 slides

File Systems

File Systems. Review of File Systems and Disk Management . File System Functions. Disk Management : allocate disk blocks to files Naming (device independence): how to map user file names into physical addresses Protection : security and sharing of files, as needed

714 views • 49 slides

Query Processing

Query Processing. Presented by Aung S. Win. Objectives. Query processing and optimization. Static versus dynamic query optimization. How a query is decomposed and semantically analyzed.

608 views • 28 slides

FILE SYSTEM IMPLEMENTATION

410 views • 12 slides

Indexing

Indexing. Lecture 15. HW#3 & Project. See course page for new instructions: submit source code and output of program on the given pairs of actors Can use unix machines (Makefile provided) Filenames/locations have changed Look at oracle info on course web page

213 views • 11 slides