推荐可视化工具：mongobooster
复制库
db.copyDatabase("ability_message","ability_message_copy")
查看数据
db.operation_log.find({"oldData._id":'2c91814e5570a5cf01557118d1f20002'})
db.studentDimensionStatistic.find({'userId':'2c9181e5537e7bb401539d395da00780','dimensionType':11})
db.synchroDataErrorInfo.find({topicCode:'xxx','body.UsrId':'xxx'})
数据倒叙排列
db.synchroDataErrorInfo.find({}).sort({ createTime:-1 })