use central; db.createUser({ user: "central", // 用户名 pwd: "central0729", // 用户密码 roles: [ { role: "readWrite", db: "central" } // 分配角色和权限 ] }); db.getUsers(); db.createCollection("promotion_click_event"); //投放广告点击事件 db.promotion_click_event.createIndex({"createTime":-1},{"expireAfterSeconds":604800}); //7天有效期 db.createCollection("promotion_event_mapping"); //投放广告点击关键字段映射 db.promotion_event_mapping.getIndexes(); //查询索引 db.promotion_event_mapping.createIndex({"propName": 1, "md5": 1, "propValue": 1}); //复合索引 db.promotion_event_mapping.createIndex({"createTime":-1},{"expireAfterSeconds":604800}); //7天有效期 db.createCollection("user_data"); //用户数据 db.user_data.getIndexes(); //查询索引 db.user_data.createIndex({"ssid": 1}, { unique: true }); //唯一索引 db.createCollection("value_data"); //用户数据 db.value_data.getIndexes(); //查询索引 db.value_data.createIndex({"ssid": 1}, { unique: true }); //唯一索引