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Tag Archives: MongoDB

What is a stack, if you are familiar with full-stack development you might have come across the terms MEAN, MERN, MEVN, etc. These are web… Read More
MongoDB, the most popular NoSQL database, we can get rows from the database by multiple columns conditionally from MongoDB Collection using the MongoDB collection.find() function… Read More
MongoDB allows you to export its data into other file formats like JSON or CSV so that the data can be used externally by other… Read More
MongoDB provides indexing for efficient execution of queries without indexes MongoDB has to search every document to match the query which is highly inefficient. Indexes… Read More
MongoDB provides a special tool that is used to import data in the MongoDB and the tool is known as mongoimport. Using this tool you… Read More
In MongoDB, upsert is an option that is used for update operation e.g. update(), findAndModify(), etc. Or in other words, upsert is a combination of… Read More
MongoDB provides a good technique that is text search. Using this technique we can find a piece of text or a specified word from the… Read More
Data backup is one of the most highly required processes for any database management system as data can be lost or get corrupted to overcome… Read More
In MongoDB, a relationship represents how different types of documents are logically related to each other. Relationships like one-to-one, one-to-many, etc., can be represented by… Read More
In MongoDB, aggregation operations process the data records/documents and return computed results. It collects values from various documents and groups them together and then performs… Read More
Indexes are special data structures that store some information related to the documents such that it becomes easy for MongoDB to find the right data… Read More
MongoDB is a document-based NoSQL database. As the data is stored in the format of the document, it can hold a huge amount of data… Read More
In MongoDB, when the find() method is used to find the documents present in the given collection, then this method returned a pointer which will… Read More
 Sorting is the way to arrange documents in ascending or descending order. In MongoDB, we can sort documents in ascending or descending order according to… Read More
Capped collections are fixed-size collections means when we create the collection, we must fix the maximum size of the collection(in bytes) and the maximum number… Read More