drop mongo database
// First show what databases have you gotten
show dbs
// then, use the database name that you want to drop
use YOUR_DATABASE_NAME
// now you can drop it
db.dropDatabase()
// show collections should be empty now
show collectionsdrop mongo database
// First show what databases have you gotten
show dbs
// then, use the database name that you want to drop
use YOUR_DATABASE_NAME
// now you can drop it
db.dropDatabase()
// show collections should be empty now
show collectionshow to remove field from document in mongodb
=> Use the $unset field update operator to completely remove a field from a document.
{ $unset: { "field_name": "value" } }
=> You can specify multiple fields to remove by separating them with a comma.
{ $unset: { name: "", weight: "" } }Copyright © 2021 Codeinu
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