Suppose the search key of a B tree is V=8 byte long, the disk block size is B=512 bytes, a record(data) pointer is P=6 bytes and a block pointer is l=5 bytes. Calculate the order of the B tree and also is each node of B tree is 69 percent full. Find the average number of keys per node of the above B tree.
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1.
29,17
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2.
27,17
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3.
28,18
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4.
27,18
my answer is d) option is it plzz check