08 2023 档案

ORACLE SELECT INTO 赋值为空，抛出 NO DATA FOUND 异常
摘要：例子： DECLARE ORDER_NUM VARCHAR2(20); BEGIN SELECT S.ORDER_NUM INTO ORDER_NUM FROM SALES_ORDER S WHERE S.ID=122344; DBMS_OUTPUT.PUT_LINE('单号:' || ORDER_ 阅读全文
posted @ 2023-08-25 23:24 刘一二 阅读(1191) 评论(0) 推荐(0) 编辑

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