'Index record' presentation slideshows

Indexing Techniques

565 views • 48 slides

Chapter 8 File organization and Indices

Chapter 8 File organization and Indices. File Organization and Indexing. Assume that we have a large amount of data in our database which lives on a hard drive(s) What are some of the things we might wish to do with the data? Scan: Fetch all records from disk Equality search

518 views • 26 slides

Indexing

Vu Phan SE157B Spring2007 04/15/2007. Indexing. Overview. Basic Concepts Evaluation Factors Ordered Indices Types of Ordered Indices: Dense Index and Order Index Multilevel Indices Index Update: Insertion and Deletion Secondary Indices. Basic Concepts.

458 views • 19 slides

File organization and Indexing

File organization and Indexing. Cost estimation Basic Concepts Ordered Indices. Estimating Costs. For simplicity we estimate the cost of an operation by counting the number of blocks that are read or written to disk.

135 views • 13 slides

Indexing

Indexing. By: Arnold Mesa. Indexing. You can think of an index to a file like a catalogue to a library. There are two kinds. Ordered Indices - sorted ordering of the values.

390 views • 12 slides