db.NomDeCollection.NomDeFonction() 

db.sessions.insert({id: 1234, nom: 'Lorentz', prenom: 'Bill', timestamp : new Date()})

db.sessions.find()

db.sessions.update({nom: 'Lorentz'}, { languages: ['ruby','c','c++']})

db.sessions.update({nom: 'Lorentz’}, {$set: {'taille': 184} })

db.sessions.remove({nom: 'Lorentz'})
