MongoDB

Databaza = Databaza

Tabulka = Kolekcia

Zaznam = Dokument

Stlpec = Pole



Zobrazit

show dbs;

show databases;



use products



db.products.find().pretty()

db.products.find({ cena: 20})

db.products.find({ cena: { $gt: 20 }})

db.products.find({}, {pole:1})

db.products.insertOne( { name: "tricko", price: 110, details: { memory: 10, cpu: 2} })

insertMany - vlozi sa po jednom, ak jeden failne, naledovne uz sa nevlozia
{ordered: false} - pokracuje aj po faile

db.products.deleteMany({})


db.products.deleteOne({ price: 110 })


db.products.updateOne({ price: 100 }, {$set: { price: "99 "}})


db.products.updateOne({ }, {$set: { price: "99 "}})