example:compte operations | employes

db.comptes.insert({idCompte:'c99',solde:999}) db.comptes.insert([{idCompte:'c111',solde:1.11},{idCompte:'c222',solde:2.22}]) db.comptes.find().forEach(function(doc){ printjson('this is the solde: '+doc.solde+' this is the id: '+doc.idCompte) }) db.comptes.find({idCompte:'c6',solde:100}) db.comptes.find({solde:{$gte:655}}) db.comptes.update({idCompte:'c6'},{$set:{solde:600}}) db.comptes.remove({idCompte:null})

db.operations.find() db.operations.remove({})

db.employees.find() db.employees.insert({id:'e2',name:'bouazid',travaux:[{name:'morrocan',status:'2'},{name:'tunisian',status:'1'}]})

db.employees.find({id:'e2'}).forEach(function(doc){ printjson('id: '+doc.id+' -- name: '+doc.name) cursor=doc.travaux cursor.forEach(function(travail){ printjson(travail.name+'---'+travail.status) }) })