安装operator

请问没有helm的情况下能否安装flink-k8s-operator？安装operator是否可以不要clusterrole

flink1.17.1版本 MiniCluster is not yet running or has already been shut down.

本地IDEA运行 MiniCluster is not yet running or has already been shut down. 请问是什么原因，如何处理 15:19:27,511 INFO org.apache.flink.runtime.resourcemanager.ResourceManagerServiceImpl [] - Stopping resource manager service. 15:19:27,503 WARN

flink1.17.1版本

请问，flink sql 能否通过sql语句将mysql表加载为flink 内存表 sql语句为多表关联