MongoDB Query
Learn all about MongoDB Query in this comprehensive tutorial.
- •When finding documents in a collection, you can filter the result by using a query object.
- •To make advanced queries you can use modifiers as values in the query object.
- •You can also use regular expressions as a modifier.
Filter the Result
When finding documents in a collection, you can filter the result by using a query object.
The first argument of the find() method is a query object, and is used to limit the search.
Advanced Query
To make advanced queries you can use modifiers as values in the query object.
E.g. to find the documents where the "address" field starts with the letter "S" or higher (alphabetically), use the greater than modifier: {"$gt": "S"}:
Filter With Regular Expressions
You can also use regular expressions as a modifier.
To find only the documents where the "address" field starts with the letter "S", use the regular expression {"$regex": "^S"}:
Module quiz
2 questionsWhich of the following is true about MongoDB Query?
What is the most common pitfall when working with MongoDB Query?
Answer all questions to submit.