State the properties of B Tree.

A B tree of order m contains all the properties of an M way tree. In addition, it contains the following properties.

  • Every node in a B-Tree contains at most m children.
  • Every node in a B-Tree except the root node and the leaf node contain at least m/2 children.
  • The root nodes must have at least 2 nodes.
  • All leaf nodes must be at the same level.