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The drawback of shadow paging technique are

A. Commit overhead

B. Data fragmentation

C. Garbage collection

D. All of these

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  2. Data independence means
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  14. _____clause is an additional filter that is applied to the result.
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  16. The size of a data item is called its _______, which can be a field of some record or may be a larger…
  17. Dependency preservation is not guaranteed in
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  28. The common column is eliminated in
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