The three ways of achieving direct access are with an index, with a tape drive, and with a hashing method.
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Q57: Consider Table A on the "one side"
Q58: The creating a new primary key physical
Q59: In the adding new tables physical database
Q60: A "fixed" or "hard" disk drive operates
Q61: Each entry in a simple linear index
Q63: In the B+-tree index arrangement described in
Q64: One of the advantages of B+-tree indexes
Q65: A file with a B+-tree index is
Q66: The number of levels in a B+-tree
Q67: The way that data is retrieved, based
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