如果你正在写 Oracle 存储过程，需要把一张表或多表关联的结果集返回给上层应用，或者需要在循环里逐行处理数据，那游标（Cursor）和游标变量（REF CURSOR）几乎是绕不开的东西。我见过太多人 ...
Oracle PL/SQL 里的 CURSOR FOR LOOP 算是日常写得最多的循环结构之一，它把游标的 OPEN、FETCH、CLOSE 和退出条件都封装好了，写起来干净利落。但真正在项目里用起来，报错往往不是出在语法本身 ...
Both Copilot and Claude read AGENTS.md natively, so it holds all the real content; the other instruction files are thin pointers so nothing is missed on either tool's native discovery path. It exits 2 ...
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