sleepingfire

摘要： Index查询所有indexdb.system.indexes.find()查询指定表indexdb.activities.getIndexes()删除指定indexdb.activities.dropIndex({created_at:-1})删除指定数据表所有indexdb.activities.dropIndexes()创建indexdb.activities.ensureIndex({created_at:-1})创建multi-key indexdb.activities.ensureIndex({"receivers.id":1,created_at:-1})参 阅读全文