-- We keep the LATEST registration (ordered by created_at DESC) and cancel the rest. -- This ensures the Unique Index can be applied successfully.

DROP POLICY IF EXISTS "Public read participants" ON match_participants; CREATE POLICY "Public read participants" ON match_participants FOR SELECT USING (true); DROP POLICY IF EXISTS "Staff manage ...

在日常开发中，常需调试结构复杂的SQL语句。若语句格式不规范，可读性差，会显著增加排查问题的难度和耗时。通过格式化SQL，使其结构清晰、层次分明，能有效提升代码理解效率，快速定位问题，从而加快调试进度。那么，有哪些常用且高效的SQL格式化方法 ...

An Israeli air strike has killed the commander of Iran’s Islamic Revolutionary Guard Corps (IRGC) navy, Israel’s defence minister says. The assassination of Alireza Tangsiri was carried out on ...

When you think of World War II, it's likely the M4 Sherman comes immediately to mind. The most widely used tank among the US and Allied Powers, it was a reliable, mass-produced powerhouse that acted ...