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ARIES supports ___________ operations, which are physical in that the affected page is physically identified, but can be logical within the page.(a) Physiological redo(b) Physiological undo(c) Logical redo(d) Logical undoI have been asked this question in homework.My doubt stems from ARIES topic in portion Recovery System of Database Management |
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Answer» RIGHT answer is (a) Physiological redo Explanation: The DELETION of a record from a PAGE may result in MANY other records in the page being shifted, if a slotted page structure is USED. |
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