Using $lt and $lte operators in MongoDB (with examples)
Updated: Feb 02, 2024
Introduction to MongoDB’s $lt and $lte MongoDB provides a rich set of query operators that you can leverage when building queries for your application. Among these operators are the comparison operators $lt (less than) and $lte......
MongoDB: Using $eq and $ne operators to match values (with examples)
Updated: Feb 02, 2024
Introduction MongoDB, as a leading NoSQL database, provides flexible query capabilities that allow developers to manipulate and retrieve data efficiently. Two of the primary operators used in querying MongoDB collections are $eq (equal......
MongoDB: Excluding sensitive fields from query results (with examples)
Updated: Feb 02, 2024
Introduction MongoDB, a leading NoSQL database, offers a powerful query language to retrieve documents from a collection. However, when dealing with sensitive or unnecessary data, it may be best to exclude certain fields from the......
MongoDB full-text index: A practical guide (with examples)
Updated: Feb 02, 2024
Introduction In today’s data-driven world, having an efficient way to search through large datasets is essential. MongoDB, one of the leading NoSQL databases, provides a powerful feature called full-text indexing, which allows......
How to add index to a field in MongoDB (with examples)
Updated: Feb 02, 2024
Introduction to MongoDB Indexing Indexing is a database optimization technique used to speed up the retrieval of documents within a MongoDB collection. By creating an index, you provide a structured pathway to your data, reducing the......
Using db.collection.bulkWrite() method in MongoDB (with examples)
Updated: Feb 02, 2024
Introduction The db.collection.bulkWrite() method in MongoDB is a powerful tool that allows the execution of multiple write operations with a single request to the database. Bulk operations can significantly enhance performance when......
MongoDB: How to add UNIQUE constraint to a field (with examples)
Updated: Feb 02, 2024
Introduction MongoDB is a flexible NoSQL database that allows developers to store semi-structured data. By default, MongoDB does not impose constraints on the uniqueness of fields, except for the _id field, which is automatically......
MongoDB: Is there something like ‘NOT NULL’ constraint in SQL?
Updated: Feb 02, 2024
Overview MongoDB, as a NoSQL database, offers a flexible schema design which permits a wide variety of data types and structures within a single collection. This flexibility often leads to questions about how to enforce data integrity,......
MongoDB: How to insert a new document and get its ID (with examples)
Updated: Feb 02, 2024
Introduction MongoDB is a powerful NoSQL database that provides high performance, high availability, and easy scalability. It works on the concept of collections and documents, rather than tables and rows, which is typical in......
The maximum size of a document in MongoDB
Updated: Feb 02, 2024
Introduction MongoDB, a leading NoSQL database, is widely known for its flexibility in handling large datasets and varied document structures. It’s known for its BSON (Binary JSON) format, which allows for the efficient storage......
MongoDB: How to move a collection to a different database (4 ways)
Updated: Feb 02, 2024
Introduction This tutorial covers the process of moving a collection from one MongoDB database to another. It is fairly common to encounter situations where data grows and the need to reorganize your database arises. Whether it is due......
MongoDB: How to create/drop a collection (with examples)
Updated: Feb 02, 2024
Introduction MongoDB, the popular NoSQL database, features a flexible schema that allows you to work without having to predefine the structure of your data. Collections in MongoDB are analogous to tables in relational databases and are......