Storage and Retrieval

Skye Boulton
Mind Map by , created about 6 years ago

HSC IPT (Information systems and databases) Mind Map on Storage and Retrieval, created by Skye Boulton on 08/05/2013.

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Skye Boulton
Created by Skye Boulton about 6 years ago
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Storage and Retrieval
1 Database Management System (DBMS)
1.1 The role of a DBMS in handling access to a database
1.2 The independence of data from the DBMS
2 Tools
2.1 Storage & Retrieval
2.1.1 Extracting relevant information
2.1.2 Selecting data (QBE & SQL)
2.2 Hypermedia search
2.2.1 Free text searching
2.2.2 Operation of a search engine
3 Storage Media
3.1 CD-ROM's
3.2 Hard disks
3.3 Cartridge & Tape
4 Types
4.1 Online & offline storage
4.2 Encryption & Decryption
4.3 Centralised & distributed databases
4.4 Back up & security procedures
4.5 Direct & sequential acccess

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