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The database computing engine, also known as the database query engine, is responsible for processing database queries. Query processing is one of the most crucial features of a database and consists of query execution and query optimization. This chapter discusses the database query processing process, introduces the three models for database query execution and the main methods for database query optimization, and explores the practical application of the PolarDB query engine.

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Computing Engine

  • 章节

  • 发表日期：

    2025年

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  • Feifei Li,
  • Xuan Zhou,
  • Peng Cai,
  • Rong Zhang,
  • Gui Huang,
  • XiangWen Liu

摘要

The database computing engine, also known as the database query engine, is responsible for processing database queries. Query processing is one of the most crucial features of a database and consists of query execution and query optimization. This chapter discusses the database query processing process, introduces the three models for database query execution and the main methods for database query optimization, and explores the practical application of the PolarDB query engine.