Learning MongoDB: Simple Update and Delete [Made Easy]
In this video, we're going to learn how to do simple update and delete operations in MongoDB using MongoDB Compass and its build in MongoDB Shell. MongoDB is a document-oriented database program. MongoDB is a NoSQL database program, MongoDB uses JSON-like documents with optional schemas. Why use MongoDB Compass? It's a GUI... Who doesn't like GUI? The built in MongoDB Shell has some intellisense to an extent. Of course, you can do everything on command line.
Some methods used in video:
db.collection.deleteMany() // use this with no conditions if want to wipe out entire collection's data
db.collection.deleteOne() // delete one document in collection given condition... if no condition, probably delete first document in collection
db.collection.updateOne() // update one
db.collection.updateMany() // update many
db.collection.replaceOne() // replace filtered document with a completely different document
Useful Links:
MongoDB Docs:
https://docs.mongodb.com/manual/tutor...
https://docs.mongodb.com/manual/tutor...
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