摘要: ~~~sql declare v_sql varchar2(5000); v_iscount number; begin -- 检查表是否存在 select count(1) into v_iscount from user_tables where table_name = upper('${ta 阅读全文
posted @ 2023-06-15 09:57 秋水秋色 阅读(92) 评论(0) 推荐(0) 编辑