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Summary Information Technology Theory
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These summaries provided the perfect solution to obtain all the necessary information without needing to open the book. These summaries cover the CAPS gr. 12 IT theory syllabus. Summaries perfect to use before starting with past papers. *Buy bundle for complete set

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  • November 23, 2024
  • 1
  • 2024/2025
  • Summary

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Module 4.2
Database Management
Managing and protecting data
Validation Data meets a set of requirements – ‘F’ or ‘M’
Verification Correctness – ‘F’ or ‘M’
Integrity Overall completeness, accuracy and consistency of data
Access control  Good password policies
 User rights and privileges
 Physically secured
Logging changes Keep track of who and when they made changes
Parallel data sets Keeping multiple copies of data
Warehousing Takes records, modifies them and stores them on separate database
optimized for ‘mining’


Database management
Database Administrator

 Designing database
 Security
 Back up plans
 Monitoring performance
 General maintenance

Programmers

 Develop software withing the rules set by the DBA
 Multiple programs use the same database

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