While a database management system (DBMS) is somewhat slower than file technology, these performance limitations are rapidly disappearing.
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Q20: Data independence refers to the fact that
Q21: Database technology provides superior scalability, meaning that
Q22: Database technology provides better technology for client/server
Q23: You see a return to conventional file-based
Q24: File technology is more complex than database
Q26: The cost of developing databases is higher
Q27: A field is the physical implementation of
Q28: A file is the physical implementation of
Q29: A primary key is a field whose
Q30: A foreign key is a field whose
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