How can you identify which index MongoDB is using for a query? What is the `explain()` command in MongoDB and how is it used for index analysis?

You can specify indexes on embedded documents just like you do on normal documents. When Doctrine creates the indexes for a document it will also create all the ... FiftyOne provides an API to create MongoDB Atlas vector search indexes, upload vectors, and run similarity queries, both programmatically in Python and via ... Nov 11, 2024 ... To use MikroORM with mongo database, do not forget to install @mikro-orm/mongodb ... You can use @Index() and @Unique() as described in Defining ... Sep 15, 2020 ... Indexing in MongoDB allows us to fetch the documents at a much faster rate thereby improving the performance of the database. Sep 28, 2021 ... In this tutorial, you'll learn what indexes are, how to create them, and how to check how they're used when the database performs queries. Les index prennent en charge l'exécution efficace des requêtes dans MongoDB. Sans index, MongoDB doit effectuer une analyse de collection , c'est-à-dire ... Mar 17, 2025 ... Indexes are special data structures that store information about the documents in a way that makes it easier for MongoDB to quickly locate the right data. Multi-key indexes. As of April 23, 2020, Amazon DocumentDB now supports the ability to create a compound index with multiple keys in the same array. If ... Feb 20, 2017 ... It's fine to create an index before any data is inserted (irrespective of whether that will be followed by individual inserts or bulk import). A clustered index determines the physical order of data within a table. Each table can have only one clustered index, and it significantly impacts data ...