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Database - Advantages & Disadvantages
 

   Advantages

  • Reduced data redundancy
  • Reduced updating errors and increased consistency
  • Greater data integrity and independence from applications programs
  • Improved data access to users through use of host and query languages
  • Improved data security
  • Reduced data entry, storage, and retrieval costs
  • Facilitated development of new applications program

   Disadvantages

  • Database systems are complex, difficult, and time-consuming to design
  • Substantial hardware and software start-up costs
  • Damage to database affects virtually all applications programs
  • Extensive conversion costs in moving form a file-based system to a database system
  • Initial training required for all programmers and users



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