内容简介和数据格式需求在图数据库的应用场景中，部分客户会选择先将数据写入到其它数据库中，再进一步将数据同步到图数据库中进行图查询。 PolarDB-PostgreSQL兼容版(简称PolarDB-PG)有着强大的一库统管能力，鼓励用户将多模异构的数据统一放在PolarDB-PG中进行处理。同时，也可以单独使用其多模的能力。本文以MySQL数据源为例，介绍了通过DTS任...

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关注△mikechen的互联网架构△，10年+BAT架构经验倾囊相授大家好，我是 mikechen | 陈睿。在昨天的文章中，我们深入高并发场景下的锁，详见：MySQL最全锁与Java最全并发锁。今天接着聊：高并发场景下的数据库同步的3种解决方案在高并发场景下，数据主从同步是必然的方式，除了数据库主从同步外，还会涉及到分布式环境下的数据同步。@mikechen 01 数据主从同步的由来....

文章 2024-10-29 来自：开发者社区

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1.背景介绍随着互联网的不断发展，数据的产生和存储量也在不断增加。云计算和大数据技术已经成为企业和组织中不可或缺的一部分。在这种情况下，数据库迁移和同步变得越来越重要。数据库迁移是指将数据从一个数据库系统迁移到另一个数据库系统。这可能是由于硬件更新、软件升级、数据库系统迁移等原因。数据库同步则是指在两个或多个数据库之间保持数据一致性的过程。这可以确保数据库中的数据始终保持一致...

文章 2024-09-14 来自：开发者社区

Redis缓存与数据库如何保证一致性？同步删除+延时双删+异步监听+多重保障方案

导航：【Java笔记+踩坑汇总】Java基础+JavaWeb+SSM+SpringBoot+SpringCloud+瑞吉外卖/谷粒商城/学成在线+设计模式+面试题汇总+性能调优/架构设计+源码解析目录一、四种基础同步策略 1.1 同步策略 1.2 更新缓存还是删除缓存？ 1.2.1 更新缓存的优缺点 1.2.2 ...

文章 2024-09-01 来自：开发者社区

全面指南：WPF无障碍设计从入门到精通——让每一个用户都能无障碍地享受你的应用，从自动化属性到焦点导航的最佳实践

为了确保Windows Presentation Foundation (WPF) 应用程序对所有用户都是可访问的，开发者需要关注无障碍设计的原则和实践。无障碍设计不仅仅是法律要求，它更是一种社会责任，意味着让技术更加人性化，使软件产品能够惠及更广泛的用户群体，包括那些具有视觉、听觉、行动能力限制或是认知障碍的人士。下面我们将...

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