mongodb.ex.bach

Please enter a MongoDB connection string (Default: mongodb://localhost/):

Current Mongosh Log ID: 6639e4bc72218249cf12686a
Connecting to:          mongodb://127.0.0.1:27017/?directConnection=true&serverSelectionTimeoutMS=2000&appName=mongosh+1.8.1
Using MongoDB:          7.0.9
Using Mongosh:          1.8.1


hospital> db.patients.insertMany([ { "name": "kouame", "age": 27, "history": [{ disease: "cold" }] }, { "name": "yao", "age": 24, "history": [{ disease: "headach" }] }, { "name": "jean", "age": 45, "history": [{ disease: "cold" }] }])
{
  acknowledged: true,
  insertedIds: {
    '0': ObjectId("6639e59c72218249cf12686e"),
    '1': ObjectId("6639e59c72218249cf12686f"),
    '2': ObjectId("6639e59c72218249cf126870")
  }
}
hospital> db.patients.updateOne({name: "kouame"}, {$set: {age: 30}})
{
  acknowledged: true,
  insertedId: null,
  matchedCount: 1,
  modifiedCount: 1,
  upsertedCount: 0
}
hospital> db.patients.find({age: {$gt: 30}})
[
  {
    _id: ObjectId("6639e59c72218249cf126870"),
    name: 'jean',
    age: 45,
    history: [ { disease: 'cold' } ]
  }
]
hospital> db.patients.find({age: {$gte: 30}})
[
  {
    _id: ObjectId("6639e59c72218249cf12686e"),
    name: 'kouame',
    age: 30,
    history: [ { disease: 'cold' } ]
  },
  {
    _id: ObjectId("6639e59c72218249cf126870"),
    name: 'jean',
    age: 45,
    history: [ { disease: 'cold' } ]
  }
]
hospital> db.patients.deleteMany({"history.disease": "cold"})
{ acknowledged: true, deletedCount: 2 }
hospital>