MongoDB-Practice/Practice Code at main · Aksh-Raizada/MongoDB-Practice · GitHub

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test> show dbs
Practice  72.00 KiB
admin     40.00 KiB
config    72.00 KiB
local     40.00 KiB
test> use Practice
switched to db Practice
Practice> db
Practice
Practice> use new1
switched to db new1
new1> db
new1
new1> db.dropnew1
new1.dropnew1
new1> show dbs
Practice  72.00 KiB
admin     40.00 KiB
config    72.00 KiB
local     40.00 KiB
new1> use Practice
switched to db Practice
Practice> db
Practice
Practice> show collections
Trial
Practice> db.createCollection('hello')
{ ok: 1 }
Practice> show collections
hello
Trial
Practice> db.hello.drop()
TypeError: db.hello.drop is not a function
Practice> chow collections
Uncaught:
SyntaxError: Missing semicolon. (1:4)

> 1 | chow collections
    |     ^
  2 |

Practice> show collections
hello
Trial
Practice> db.hello.drop()
TypeError: db.hello.drop is not a function
Practice> db.hello.drop();
TypeError: db.hello.drop is not a function
Practice> db.drop(hello)
ReferenceError: hello is not defined
Practice> db.drop('hello')
TypeError: db.drop is not a function
Practice> show collections
hello
Trial
Practice> db.collection.drop('hello')
true
Practice> show collections
hello
Trial
Practice> db.Trial.find()
[
  {
    _id: ObjectId('65abc801d0e7bfa5a0c0027a'),
    title: 'My first post',
    content: 'This is the content of my first post'
  },
  {
    _id: ObjectId('65abc877d0e7bfa5a0c0027b'),
    title: 'My second post',
    content: 'This is my secont post'
  },
  {
    _id: ObjectId('65abd0772adbaa9d8b81f2b8'),
    name: 'Aksh',
    surname: 'Raizada',
    email: 'aksh.raizada2021@vitbhopal.ac.in'
  },
  {
    _id: ObjectId('65abd2262adbaa9d8b81f2b9'),
    name: 'Prakhar',
    surname: 'Vaish',
    grade: 'A'
  },
  {
    _id: ObjectId('65abd2262adbaa9d8b81f2ba'),
    name: 'Aalaap',
    surname: 'Ghanekar',
    grade: 'B'
  },
  {
    _id: ObjectId('65abd2262adbaa9d8b81f2bb'),
    name: 'Mudit',
    surname: 'Shrivastav',
    grade: 'C'
  },
  {
    _id: ObjectId('65abd3ce2adbaa9d8b81f2bc'),
    brand: 'Jeep',
    model: 'Wrangler',
    date: ISODate('2024-01-20T14:08:14.524Z')
  }
]
Practice> db.Trial.find({grade: 'A'})
[
  {
    _id: ObjectId('65abd2262adbaa9d8b81f2b9'),
    name: 'Prakhar',
    surname: 'Vaish',
    grade: 'A'
  }
]
Practice> db.comments.insert({
...     'name': 'Harry',
...     'lang': 'JavaScript',
...     'member_since': 5
...  })
DeprecationWarning: Collection.insert() is deprecated. Use insertOne, insertMany, or bulkWrite.
{
  acknowledged: true,
  insertedIds: { '0': ObjectId('65aca2022d2b770ddf474fa5') }
}
Practice> db.Trial.find()
[
  {
    _id: ObjectId('65abc801d0e7bfa5a0c0027a'),
    title: 'My first post',
    content: 'This is the content of my first post'
  },
  {
    _id: ObjectId('65abc877d0e7bfa5a0c0027b'),
    title: 'My second post',
    content: 'This is my secont post'
  },
  {
    _id: ObjectId('65abd0772adbaa9d8b81f2b8'),
    name: 'Aksh',
    surname: 'Raizada',
    email: 'aksh.raizada2021@vitbhopal.ac.in'
  },
  {
    _id: ObjectId('65abd2262adbaa9d8b81f2b9'),
    name: 'Prakhar',
    surname: 'Vaish',
    grade: 'A'
  },
  {
    _id: ObjectId('65abd2262adbaa9d8b81f2ba'),
    name: 'Aalaap',
    surname: 'Ghanekar',
    grade: 'B'
  },
  {
    _id: ObjectId('65abd2262adbaa9d8b81f2bb'),
    name: 'Mudit',
    surname: 'Shrivastav',
    grade: 'C'
  },
  {
    _id: ObjectId('65abd3ce2adbaa9d8b81f2bc'),
    brand: 'Jeep',
    model: 'Wrangler',
    date: ISODate('2024-01-20T14:08:14.524Z')
  }
]
Practice> show collections
comments
hello
Trial
Practice>