What is Mongo DB and why is it used?
Mongo DB is a document-oriented database system. It is used because it can handle large scale data aggregation and search very well.
What industries use Mongo DB?
Mongo DB is used by a variety of industries, including online retail, healthcare, and finance.
What features are unique to Mongo DB as opposed to other DBMSs?
Mongo DB is a document-oriented DBMS, which means that it stores data in the form of documents rather than in tables. This makes it well-suited for handling large scale data aggregation and search.
How do you delete records from a database in Mongo DB?
There is no “delete” command in Mongo DB. To delete records, you can use the “drop” command to delete an entire collection, or you can use the “delete” command to delete individual documents.
To delete a document from a MongoDB database, use can also use the remove() method. The remove() method takes a document as its parameter.