Using index characteristics,a database designer can determine the best type of index to use.
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Q5: All factors must be checked to ensure
Q7: The purpose of an I/O operation is
Q8: A data file can contain rows from
Q9: To work with data, the DBMS must
Q10: A cost-based optimizer uses a set of
Q12: DBMS implementations are typically similar in complexity
Q14: Indexes do not facilitate join operations.
Q15: The SQL execution activities are performed by
Q17: Most current-generation relational DBMSs perform automatic query
Q18: The primary factor in determining the most
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