并行数据库的相关内容

文章 2024-06-27 来自：开发者社区

心得经验总结：理解MySQL——并行数据库与分区(Partion)

1、并行数据库1.1、并行数据库的体系结构并行机的出现，催生了并行数据库的出现，不对，应该是关系运算本来就是高度可并行的。对数据库系统性能的度量主要有两种方式：(1)吞吐量(Throughput)，在给定的时间段里所能完成的任务数量；(2)响应时间(Response time)，单个任务从提交到完成...

阿里云文档 2024-04-26

PolarDB PostgreSQL版的WAL日志并行回放功能

本文介绍了PolarDB PostgreSQL版（兼容Oracle）的WAL日志并行回放功能。

阿里云文档 2023-08-01

使用ParallelismHints强制执行并行扫描

PARALLEL optimizer hint用于强制执行并行扫描；NO_PARALLEL optimizer hint阻止使用并行扫描。

阿里云文档 2023-06-28

如何使用跨机并行查询对分区表使用跨机并行查询

PolarDB PostgreSQL版（兼容Oracle）支持对分区表使用跨机并行查询的功能。通过对分区表使用跨机并行查询，提升数据库的性能。

阿里云文档 2023-06-28

工作原理以及如何使用该功能加速索引构建

跨机并行查询功能还可以用于加速构建B-tree索引，同时支持加速创建B-Tree索引的GLOBAL索引。本文介绍工作原理以及如何使用该功能加速索引构建。

阿里云文档 2023-06-28

如何使用跨机并行查询,提升分析型查询的性能

PolarDB PostgreSQL版（兼容Oracle）支持使用跨机并行查询功能进行分析型查询，实现一定的HTAP能力。本文介绍如何使用跨机并行查询，提升分析型查询的性能。

问答 2022-10-12 来自：开发者社区

大数据管理系统：浅析并行数据库优缺点

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更新时间 2024-06-28 14:36:49

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