fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as mkdir -p, cp -r, and rm -rf. In Mongoose, the Model.find() function is the primary tool for querying the database. The first parameter to Model.find() is a filter object. MongoDB will search for all documents that match the filter.If you pass an empty filter, MongoDB will return all documents. In this tutorial, you'll see how to execute common queries in Mongoose by structuring the filter object using.

Our MongoDB tutorial is designed for beginners and professionals. MongoDB is a No SQL database. It is an open-source, cross-platform, document-oriented database written in C++. Our MongoDB tutorial includes all topics of MongoDB database such as insert documents, update documents, delete documents, query documents, projection, sort () and limit. Raw. killLongRunningOps.js. // kills long running ops in MongoDB (taking seconds as an arg to define "long") // attempts to be a bit safer than killing all by excluding replication related operations. // and only targeting queries as opposed to commands etc.