'Secondary key' presentation slideshows

Designing Databases

991 views • 69 slides

The Relational Model

1.04k views • 67 slides

Chapter 7 Indexing

File Structures by Folk, Zoellick, and Ricarrdi. Chapter 7 Indexing. Chapter Objectives. Index files. Operations Required to Maintain an Index File. Primary keys. Secondary keys. 7.1 What is an Index. Index. a tool for finding records in a file consists of: key field

455 views • 44 slides

430 views • 24 slides

System Design

System Analysis and Design. System Design. - Mr. Ahmad Al-Ghoul. learning Objectives. Explain data design terminology, including entitles, fields, records, files, tables, and key fields. Data Design Terminology. Data model

328 views • 18 slides