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Which of the following is true ?

  • B Tree index nodes less than or equal B+ Tree index nodes for n keys.
  • B+ Tree index nodes less than or equal B Tree index nodes for n keys.
  • I/O cost of B+ Tree index less than or equal I/O cost of B Tree index for n keys.
  • Levels of B+ Tree index less than or equal to levels of B Tree index for n keys
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Markzuck asked Dec 18, 2018
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By default take ROOT at level 1 or 0?and if asked for B tree then take all the levels but for B+ records only at leaf so only leaf level keys right?
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