Tag: 递归 cte
查询树中的父母
我有数据库表任务如下。 SELECT _id,name,parentId FROM Task; _id name parentId ———- ——————– ———- 4 Software Development 5 Machine Learning 6 Programing 4 7 Build System 4 8 version control 4 9 Android App Developm 4 10 Udacity Cource 5 11 Mathematics 5 12 skLearn docs 5 13 problem solving 6 14 breakdown 13 15 language 6 16 […]
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