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liyupi / sql-mother

免费的闯关式 SQL 自学教程网站，从 0 到 1 带大家掌握常用 SQL 语法，纯前端实现，简单易学~
http://sqlmother.yupi.icu
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update: 18题题目描述 #11

Closed cq2021-coder closed 11 months ago

cq2021-coder commented 11 months ago

缺少class_id和exam_num的描述