https://Lalalala-yeye.github.io/lalalalalalaal/tags/%E6%95%B0%E6%8D%AE%E5%BA%93/Recent content in 数据库 on Lalalala-yeye's BlogHugo -- 0.159.1zh-cn©1999 Lalalala-yeye&rsquo;s BlogSat, 28 Mar 2026 00:00:00 +0800https://Lalalala-yeye.github.io/lalalalalalaal/post/%E6%95%B0%E6%8D%AE%E5%BA%93%E7%AC%AC%E4%B8%80%E6%AC%A1%E4%B8%8A%E6%9C%BA/Sat, 28 Mar 2026 00:00:00 +0800https://Lalalala-yeye.github.io/lalalalalalaal/post/%E6%95%B0%E6%8D%AE%E5%BA%93%E7%AC%AC%E4%B8%80%E6%AC%A1%E4%B8%8A%E6%9C%BA/<p>记录数据库课程第一次上机：建表、插数、外键与工具使用中的要点。</p>https://Lalalala-yeye.github.io/lalalalalalaal/post/school-er-diagram/Sun, 08 Mar 2026 00:00:00 +0800https://Lalalala-yeye.github.io/lalalalalalaal/post/school-er-diagram/<p>根据题意：学校有若干系，每系有若干班级和教研室，每教研室有若干教员，教授/副教授各带若干研究生，每班有若干学生，学生与课程为多对多选修关系。</p>