What is projection in MongoDB queries and its relation to covered queries? How do you profile MongoDB queries to identify indexing needs?

Aug 14, 2024 ... This article focuses on how to add indexes using Azure Cosmos DB for MongoDB. Indexes are specialized data structures that make querying your data roughly an ... schema_version: 1. name: "quay.io/kiegroup/kogito-data-index-mongodb". description: "Runtime image for Kogito Data Index Service for Mongodb persistence ... Mar 15, 2024 ... It depends on your queries. If your query uses multiple fields then it would make sense to have a compound index with all these fields *in the ... Jan 19, 2021 ... TTL indexes are special single-field indexes that MongoDB can use to automatically remove documents from a collection after a certain amount of ... This community-maintained MongoDB extension supports the MongoDB change ... Drop an index for a collection by keys.

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what is index in mongodb

• How do indexes affect the performance and atomicity of multi-document transactions?
• Can you use indexes to improve the performance of `$lookup` stages in aggregations?
• How can you use the MongoDB Compass schema analyzer to get indexing suggestions? What are the different types of schema patterns in MongoDB and how do they affect indexing strategies?
• What are the considerations for indexing data that is primarily used for aggregation and reporting?
• How do you create indexes that support efficient sorting on multiple fields? What are the limitations of using indexes for `$or` queries and how can you optimize them?
• What are the best practices for MongoDB indexing?
• What are the techniques for building indexes on large collections efficiently?
• How do you ensure that new developers understand the importance of indexing and how to choose appropriate indexes? What are some resources for staying up-to-date on the latest MongoDB indexing features and best practices?
• What are the limitations of multi-key indexes when querying arrays of embedded documents?
• What are the considerations for indexing nested JSON structures? Can you create indexes on specific elements within an array of embedded documents?