MySQL 9.7 is the next LTS after 8.4, and the official stance supports the path from 8.4 LTS to 9.7 LTS. Meanwhile, ...

Multi version concurrency control plays an important role in deciding relational databases. Each database management system ...

Diagnose MySQL OOM kills on Debian 12, check VPS memory limits, configure swap, and tune database memory and concurrency ...

DB clients tend to be a chaotic mix of tools that vary slightly from team to team. Mac users have TablePlus, Windows users ...

本内容遵循CC 4.0 BY-SA版权协议 前阵子有个朋友去阿里面试，回来跟我吐槽，说自己被问到“Online DDL的INSTANT、INPLACE、COPY算法差异”时，答得磕磕绊绊，明显感觉面试官不满意。他Java基础、并发 ...

Update September 23, 09:03 EDT: Microsoft also fixed the issue for Office Online customers. Microsoft has fixed a known issue that causes copy-and-paste failures for Excel users after installing the ...

本内容遵循CC 4.0 BY-SA版权协议 有一次我参加阿里的Java面试，简历里写了大量MySQL调优的实践，面试官顺着表结构就抛了一句：“你在线上做过Online DDL吧？说说INSTANT、INPLACE、COPY三种算法到底有 ...

Microsoft has fixed a known issue that causes copy-and-paste failures for some Excel users after installing the September 2026 KB5002914 security update. This follows a wave of customer reports on the ...

On September 8, Microsoft rolled out KB5002914 for Excel, but it apparently has a bug that makes it impossible to copy and paste in certain cases. Microsoft confirmed it’s aware of the issue, which ...

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While Windows users are disappointingly familiar with updates causing problems, the same cannot be said of people using Microsoft Office. But with the release of the KB5002914 update for Excel, ...