A network model is similar to a hierarchical data model because in both data models records are organized in the same way.
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Q15: Although a database can consist of only
Q16: The use of the OR operator in
Q17: Conventional computing methods are able to efficiently
Q18: Data in a database is used for
Q19: Disks are sequential access devices, whereas tapes
Q21: The _ method for accessing files is
Q22: For each database, there:
A)is only one physical
Q23: In the context of the types of
Q24: In the context of business analytics, prescriptive
Q25: In comparison with flat file systems, databases:
A)minimize
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