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Use _________________________ to provide balance between performance and fault tolerance.
Q3: The attribute hierarchy provides a top-down data
Q4: The DBMS keeps several copies of _
Q18: _ are required to prevent another transaction
Q20: When using the Oracle TO_NUMBER function to
Q28: The special operator used to check whether
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Q50: The scheduler establishes the order in which
Q51: In a real-world environment,we must strike a
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Q96: When introducing a database into an organization,a(n)_