B-Tree of Order 3 & 4 | Insertion & Complete Problem Solving | Odd & Even Order | DSA

#BTree #BTreeInsertion #BTreeOrder3 #BTreeOrder4 #BTreeProblemSolving #BTreeSplitting #DataStructures #DSA #TreeDataStructure #problemsolving In this video, we solve B-Tree insertion problems step by step for both Order 3 and Order 4. The complete solution demonstrates how B-Trees work for both odd and even orders, including node splitting, key promotion, and maintaining B-Tree properties after every insertion. We first solve a B-Tree of Order 3, showing how keys are inserted into nodes, when a node becomes full, how splitting is performed, and how the middle key is promoted to the parent. Then we solve a B-Tree of Order 4, focusing on the differences that occur because the order is even. The video explains how to identify the appropriate middle key during splitting and how the tree structure changes after each insertion. The complete problem-solving process includes: B-Tree of Order 3 B-Tree of Order 4 Odd-order B-Tree Even-order B-Tree B-Tree insertion Node overflow Node splitting Key promotion Root splitting Parent-child relationships Step-by-step construction Final B-Tree verification Special attention is given to the difference between odd and even order B-Trees, making it easier to solve numerical and exam-based B-Tree questions. This video is designed for students who want to understand B-Tree insertion through complete problem solving, rather than just memorizing the rules.