HackerRank isn’t just a random collection of problems; they’ve organized their SQL section pretty well. You can find ...

全表扫描（Full Table Scan）是数据库查询中常见的性能杀手，尤其在数据量巨大的生产环境中，一条效率低下的 SQL 就足以引发连锁性的系统故障。为从根本上防范此类风险， 百度 智能云数据库在 MySQL 内核层面设计并实现了一套全表扫描动态管控机制，实现对低效 SQL 的实时检测、灵活拦截与预警记录，将运维控制权真正交到开发者以及 DBA 手中。

For a long time, companies have been using relational databases (DB) to manage data. However, with the increasing use of ...

The Epstein files explosion on Capitol Hill last week — headlined by emotional accounts from Jeffrey Epstein’s accusers — fueled speculation that more information could soon be public, with a ...