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How to Repair MongoDB DatabaseThis tutorial educates about various problems and their solutions to repair a database in MongoDB. How to Use of $Match (Aggregation) Stage in MongoDBThis tutorial demonstrates the use of $match (aggregation) stage in MongoDB. How to Print JSON Without Whitespaces in MongoDBThis tutorial demonstrates how to print JSON without whitespaces in MongoDB. How to Show Indexes in MongoDBThis tutorial demonstrates how to show indexes in MongoDB using one/multiple collection and database. How to Use forEach() to Update an Array Field in MongoDB ShellThis tutorial demonstrates the how to use forEach() to update an array field in MongoDB shell. How to Bulk Update of Documents in MongoDB Using JavaThis tutorial demonstrates how to perform bulk update of documents in MongoDB using Java. How to Remove Element From an Array in MongoDBThis tutorial demonstrates how to use $pull, $pullAll, $pop, $unset, and positional operator to remove element(s) from an array in MongoDB. How to Use Hibernate OGM to Integrate Hibernate With MongoDBThis article educates about Hibernate OGM, its importance and use to integrate Hibernate with MongoDB. How to Use MongoDB $Pull to Delete Documents Within an ArrayUsing the $pull we can delete the items inside of an array, where the array resides in the object or document. How to Truncate Collection in MongoDBThis article teaches how to truncate a collection in MongoDB. How to Add Element to Array in MongoDBIn this post, we'll look at many methods to add to an array in MongoDB. How to Generate ObjectId in MongoDB Using JavaThis tutorial will discuss how to generate ObjectId in MongoDB using Java. How to Import CSV Files in MongoDBThis article describes how to import the comma-separated values (CSV) file using the mongoimport command. How to Convert a String to Date in MongoDBThis article explains methods to convert a string to a date field in various versions of MongoDB. How to Build a MongoDB REST APIThis article instructs users how to build a MongoDB REST API. How to Use an ORM in MongoDBThis article explains the usage of ORM in MongoDB. How to Check if MongoDB Is Installed on WindowsThis article describes four different methods that help you to check if the MongoDB software is installed on your Windows or not. How to Connect MongoDB With PowerShellThis article explains how you can use MongoDB with PowerShell. How to Use MongoDB as File Storage in PHPThis tutorial summarizes how to use MongoDB as file storage in PHP. Difference Between ObjectId and $Oid in MongoDBThis article describes the difference between the ObjectId and $oid in MongoDB. Examples have been provided within the article to clarify the difference between the two entities. Difference Between deleteMany() and Remove() in MongoDBBoth remove() and deleteMany() deletes data from collection but their input flags and returns are different. MongoDB Distinct AggregationThis article demonstrates the use of MongoDB distinct aggregate with the help of different examples. The NOT IN Comparison Operator in MongoDBThis tutorial demonstrates the uses of $nin (NOT IN) comparison operator in MongoDB. MongoDB Aggregate SortThis tutorial educates about the MongoDB aggregate sort with the help of a code example.