How to use the deleteOne() Method In MongoDB
The deleteOne() method is another approach for modifying documents, specifically for deleting a single document that matches a specified filter. Let’s say we want to delete a document from the “exampleCollection” where the “status” field equals “inactive”.
// Deleting a document from the "exampleCollection" where "status" is "inactive"
db.exampleCollection.deleteOne({ status: "inactive" });
- deleteOne(): Deletes a single document that matches the specified filter.
How to Check if an Array Field Contains a Unique Value or Another Array in MongoDB?
MongoDB is a widely used NoSQL database that enables developers to query complex data structures flexibly. In MongoDB, arrays are commonly used to store lists of values, providing flexibility in data modeling.
To ensure data integrity and get valuable insights, it’s important to understand how to check for unique values and arrays within array fields. In this guide, we’ll explore MongoDB’s querying capabilities in-depth and provide examples to illustrate each concept.