Network systems are pointer-based systems that allow users to browse through databases in random fashion by selecting keywords or objects.
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Q10: Nominalization is the process of applying rules
Q11: Using the direct-access method,the only thing needed
Q12: The length of time the user must
Q13: In the first normal form,repeated groups are
Q14: An index file is fully inverted when
Q16: DBMS is a user-friendly computer language or
Q17: Relational databases use relational algebra to create
Q18: Records are contiguous when they are physically
Q19: Sequential-access files are often referred to as
Q20: Variable-length records are easier to manipulate than
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