(37 # _ ) / \ / \ / \ (21 # 29) (50 # _ ) / | \ / \ / | \ / \ (7,9,11) (21,23) (29,30) (37,49) (50,100)Notice that this is a B-Tree of order 3. The search property is clearly being met. Each interior node has at least 2 and no more than 3 children. All of the interior keys appear as the left most value in the leaf of the subtree indicated by that key.
Which of the following is also a B-Tree of order 3?
(38 # _ ) / \ / \ / \ (22 # 28) (73 # _ ) / | \ / \ / | \ / \ (1,9,11) (22,23) (28,30) (37,49) (73,74)Yes No
(29 # _ ) / \ / \ / \ (21 # _) (37 # 50 ) / \ / | \ / \ / | \ (7,9,11) (21,23) (29,30) (37,49) (50,100)Yes No
(37 # _ ) / \ / \ / \ (21 # 29) (50 # 70 # 80)------------ / | \ / \ \ | / | \ / \ \ | (7,9,11) (21,23) (29,30) (37,49) (50,69) (70,75) (80,105)Yes No
(20)Yes No