SQL扫描算子的相关内容

阿里云文档 2025-01-16

SQL查询数据时支持计算下推的算子

多元索引提供了条件过滤、聚合、排序等功能，在创建多元索引后，使用SQL查询时，系统能够充分利用多元索引的计算能力，将部分SQL计算任务下推到多元索引执行，避免全表扫描，从而提高计算效率。

阿里云文档 2024-01-16

自定义SQL算子的使用方法和注意事项_数据资源平台(DRP)

本文介绍自定义SQL算子的使用方法和注意事项。

问答 2022-11-03 来自：开发者社区

SQL性能优化中扫描算子Scan都有哪些呢？

共有4条

< 1 >

跳转至： GO

更新时间 2023-04-13 14:43:58

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