5. B-tree variants

Introduction

B-trees are fundamental data structures in database systems, providing efficient storage and retrieval of data. However, as database requirements have evolved, various B-tree variants have emerged to address specific needs and optimize performance in different scenarios. This chapter explores several important B-tree variants, each designed to enhance particular aspects of data management and query processing.

We will examine the following B-tree variants:

  1. B+ trees

  2. B* trees

  3. Counted B-trees

  4. Prefix B-trees

  5. Bulk-loading B-trees

For each variant, we'll discuss its unique characteristics, advantages, and potential use cases. We'll also compare these variants to standard B-trees, highlighting how they address specific challenges in database design and implementation.

By understanding these B-tree variants, database designers and administrators can make informed decisions when choosing the most appropriate data structure for their specific requirements, ultimately leading to more efficient and performant database systems.

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