sqlserver查询数据库中有多少个表 sql server 数表:select count(1) from sysobjects where xtype='U'数视图:select count(1) from sysobjects where xtype='V'数存储过程select count(1) from sysobjects where xtype='P' SE
集群环境描述:HDFS集群处于HA模式下,同时启动了YARN\JN\KAFKA\ZK。 现象: FAILED: SemanticException Unable to determine if hdfs://s233/user/hive/warehouse/mydb.db/ext_calllogs_in_hbase is encrypted: java.lang.IllegalArgument
一,上代码 QueryWrapper<Device> queryWrapper = Wrappers.query();queryWrapper.select("project_id as projectId,count(device_id) as total").in("project_id",projectIds).isNotNull("project_id").eq("del_flag",B