show collections in mongodb
db.getCollectionNames()list all collections in the MongoDB shell
JavaScript (shell):
db.getCollectionNames()
Node.js:
db.listCollections()mongo shell commands
show dbs # <=> Print a list of all databases on the server.
use <db> # <=> Switch current database to <db>
show collections # <=> Print a list of all collections for current database.
db.people.insert({name:"Ashwin",gender:"m"}) # <=> Inserts a new "person" collection with a new object in that collection
db.people.find(<any attributes or none>) # <=> Find all persons in the collection
db.people.update({name:"Ashwin"},{gender:"f"}) # <=> Updates the selected (1st parameter) person with new value(2nd parameter)
db.people.remove({name:"Ashwin"}) # <=> Remove where name is "Ashwin"
db.people.drop() # <=> Delete the "people" collectionCopyright © 2021 Codeinu
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