4 Commits

Include renames

Author	SHA1	Message	Date
KennethCheng	95edd82f9d	docs:重写README，修正课程编号与项目结构 ... 修正点：第8课实际是cache/persist/checkpoint（README误写为flatMap）；第9课尚未开课但README已写描述；项目结构补充exercises4~8、org.example.sql、App2、hive-site.xml；spark-submit注释里类路径 org.example.core.App2 改回 org.example.App2。新增安全提醒章节记录MySQL凭据明文问题。	2026-09-21 00:41:46 +08:00
KennethCheng	d956be7154	docs:README更新	2026-09-21 00:36:09 +08:00
KennethCheng	e063cc185e	docs:更新README	2026-09-18 01:12:28 +08:00
KennethCheng	e014dcdce2	docs:README	2026-09-17 09:36:44 +08:00