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Advantages and Disadvantages of Database

– 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

– 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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