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Legacy mongo Shell

The legacy mongo shell was deprecated in MongoDB 5.0 and removed in MongoDB 6.0 (The MongoDB Shell versus the Legacy mongo Shell)

Commands​

// display current db
db
// display the existing collections on the db
show dbs
// get DB version
db.version()
// display help
db.help()
// get current operation
db.currentOp()
// display the existing collections on the db
show collections

// connect to db "training"
use training
// execute commands from a javascript file
load("my_file.js")
// display all entries in "movies" collection with a nice display
db.movies.find().pretty()
// remove one entry with its id
db.movies.remove({ "_id" : ObjectId("59e334a1a48ad3d58f40bb00") })
// display statistics on a collection
db.movieDetails.stat()
// rename a collection
db.cars.renameCollection("car")

// display startup log
use local
db.startup_log.find().pretty()

// exit the shell (or Ctrl+C)
quit()

Additional commands​

  • Drop a database: db.dropDatabase()
  • Create a collection: db.createCollection("name", "options")
  • Delete a collection: db.collection_name.drop()
  • Insert data: db.collection_name.insert({...})
  • Update data: db.collection_name.update({_id: ObjectId("...")}, {...})
  • Find data: db.collection_name.find({...}).pretty()
  • Remove data: db.collection_name.remove({...})