The B-tree index is used mainly in tables in which column values repeat a relatively small number of times.
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Q8: The SQL cache stores the end-user written
Q9: To work with data, the DBMS must
Q10: Good database performance is easy to evaluate.
Q11: One of the main functions of a
Q12: DBMS implementations are typically similar in complexity
Q14: Indexes do not facilitate join operations.
Q15: The SQL execution activities are performed by
Q16: The data cache caches system catalog data
Q17: Most current-generation relational DBMSs perform automatic query
Q18: The primary factor in determining the most
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