159803
Descrição
Mapa Mental por Skye Boulton, atualizado more than 1 year ago
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Criado por Skye Boulton
mais de 11 anos atrás
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Storage and Retrieval
- Database Management
System (DBMS)
- The role of a DBMS in handling
access to a database
- The independence of
data from the DBMS
- The role of a DBMS in handling
access to a database
- Tools
- Storage & Retrieval
- Extracting relevant information
- Selecting data
(QBE & SQL)
- Extracting relevant information
- Hypermedia search
- Free text searching
- Operation of a search engine
- Free text searching
- Storage & Retrieval
- Storage Media
- CD-ROM's
- Hard disks
- Cartridge & Tape
- CD-ROM's
- Types
- Online & offline storage
- Encryption & Decryption
- Centralised & distributed
databases
- Back up & security
procedures
- Direct & sequential acccess
- Online & offline storage
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