For each database,there can be more than one physical view of data.
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Q1: A database is a critical component of
Q12: The database component of an information system
Q13: Data redundancy is eliminated or minimized in
Q15: A select operation pares down a table
Q16: In a relational model,the rows are called
Q18: Data in a database is used for
Q19: Disks are sequential access devices, whereas tapes
Q19: In a hierarchical data model,nodes with the
Q20: Labor and population statistics are sources of
Q23: To begin designing a relational database,one must
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