Discuss B-Trees
•This causes two problems,
–the parent now has six children and five records!!
–So, we must split the parent into two nodes and move the middle data value up to its parent.
–Remember, when we split an internal node, we need to also move that node's children too
–Since the root only has 2 data items, we can simply add 56 there.
–The solution is on the next slide...