'Ordered file' diaporamas de présentation

File Organisation

726 views • 56 slides

Physical Database Design File Organizations and Indexes

Physical Database Design File Organizations and Indexes. ISYS 464. Disk Devices. Disk drive: Read/write head and access arm. Single-sided, double-sided, disk pack Track, sector, cylinder (tracks with the same diameter on the various disks)

520 views • 45 slides

Physical DB Design & Tuning

Physical DB Design & Tuning. Objectives. What is Physical DB Design + Why Physical DB Design is Needed + I/O Model for DBs Issues in Physical DB Design + File Organization and access Methods + Physical DB Design Process +. - What is Physical DB Design?.

311 views • 30 slides

Use of ICT in Data Management

Use of ICT in Data Management. AS Applied ICT. Contents. Database Management System. Functions in a Sequential File. Sequential Files. Hierarchical Database Management System. Processing a record. Index Sequential and Random Access File. Performing Functions.

476 views • 23 slides