4. Suppose that a page can contain at most 4 data values and alldata values are integers. Using B+ trees of order 2, give examplesof each of the following: 1) a B+ tree with number of levelschanged from 1 to 2 when the value 60 is inserted. Show yourstructure before and after the insertion. (2 Marks). 1 2) a B+ treein which the deletion of the value 10 leads to a redistribution.Show your structure before and after the deletion (2 Marks).
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