admin 表中登陸
新建數(shù)據(jù)庫? use userImg
創(chuàng)建用戶? db.createUser({user: "root",pwd: "****",roles: [{ role: "readWrite", db: "userImg" }]})
登陸? db.auth('root','******')
創(chuàng)建數(shù)據(jù)表? db.createCollection("photo")
查看數(shù)據(jù)表? show collections
查看數(shù)據(jù)庫? show dbs
當前數(shù)據(jù)庫? db
查看數(shù)據(jù)表中數(shù)據(jù)? db.photo.find();
查詢? db.photo.find({'user_id':151}).count({});? 條件求和
根據(jù)id查詢>db.fs.chunks.find({files_id:ObjectId('595b99d9f6a6243715b3c316')})
刪除數(shù)據(jù)? db.photo.remove({"user_id":151})
