A variable-length record structure means that each record instance has the same fields, same number of fields and the same logical size.
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Q38: A blocking factor allows different records in
Q39: Most database technologies impose a fixed-length record
Q40: Some database systems can compress unused fields
Q41: Variable-length record structures allow different records in
Q42: When a computer program "reads" a record
Q44: A fixed-length record structure means that each
Q45: A blocking factor is the number of
Q46: The set of all occurrences of a
Q47: Master files or tables contain records that
Q48: Transaction files or tables contain records that
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