云数据库OceanBase数据库索引的相关内容

阿里云文档 2024-10-22

如何管理OceanBase系统事件规则

本文介绍如何对创建完成后的系统事件规则，进行查看、修改、启用、禁用和删除等操作。

问答 2023-09-19 来自：开发者社区

在Oceanbase数据库中不支持逆序索引吗？

在Oceanbase数据库中不支持逆序索引吗？create desc index not supported Query: create index idx_tbl_work_report_create_date on tbl_work_report (create_date DESC, status ASC) Parameters: []

问答 2023-08-09 来自：开发者社区

在OceanBase数据库中这语法有没有错误？为什么在MySQL上能建的索引，在OB上就报错？

文章 2023-07-27 来自：开发者社区

OceanBase 数据库中创建大表的索引

在 OceanBase 数据库中创建大表的索引时，可以考虑以下几个方面来提高索引创建的速度：并行创建索引：在创建索引时，可以使用并行度（parallel_degree）参数来指定并行度，从而利用多个线程同时创建索引。通过增加并行度，可以充分利用系统资源，加快索引创建的速...

问答 2023-07-24 来自：开发者社区

请问OceanBase数据库ob怎么创建大表的索引快？

ob怎么创建大表的索引快？试了开并行和正常建时间差不多

文章 2021-12-10 来自：开发者社区

OceanBase 源码解读（七）：一文读懂数据库索引实现原理

此前，带你读源码第六篇《戳这里回顾：OceanBase 源码解读（六）：存储引擎详解》为大家详细讲解了 OceanBase 存储引擎，并为大家回答了关于 OceanBase 数据库的相关提问。本期“源码解读”将尝试从代码导读的角度，简要介绍 OceanBase 的索引构建流程，带领大家读懂索引构建的相关代码，必须速速收藏！ 1. 什么是索引首先请思考，在一个一般的数据库中，索引表的语义....

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更新时间 2024-07-27 06:59:46

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