Solution: Delete a Record
The deleteMany() method in MongoDB is used to remove documents from a collection based on specified filter conditions. In this example, it deletes all orders from the "orders" collection where the status is "Shipped" and the orderDate is before January 1, 2025. The query utilizes both equality and comparison operators, such as $lt (less than), to define which documents to delete. After executing the deletion, one can verify the operation by retrieving the remaining documents to ensure the correct records were removed.
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We'll cover the following...
The explanation of the query is given below:
Line 1:
db.orders.deleteMany, it tells MongoDB to remove all documents from theorders...