MongoDB – Aggregation Aggregations operations process data records and return computed results. Aggregation operations group values from multiple documents together, and can perform a variety of operations on the grouped data to return a single result. In SQL count(*) and with group by is an equivalent of MongoDB aggregation. The aggregate() Method For the aggregation […]
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MongoDB – Sort Records In this chapter, we will learn how to sort records in MongoDB. The sort() Method To sort documents in MongoDB, you need to use sort() method. The method accepts a document containing a list of fields along with their sorting order. To specify sorting order 1 and -1 are used. 1 […]
MongoDB – Limit Records In this chapter, we will learn how to limit records using MongoDB. The Limit() Method To limit the records in MongoDB, you need to use limit() method. The method accepts one number type argument, which is the number of documents that you want to be displayed. Syntax The basic syntax of […]