What does the getIndexes() command do?

The getIndexes() command is utilized to retrieve information about the indexes defined on a specific collection within a MongoDB database. When executed, this command returns an array of documents, each representing an index and its associated properties such as the fields included in the index, the index type, and other metadata.

This command is particularly useful for database administrators and developers to understand how data is indexed for query optimization. By showing the indexes that exist on a collection, it helps in assessing whether the current index structure is adequate for the queries being executed, thereby facilitating performance tuning and ensuring efficient data retrieval.

Other options describe actions such as creating, deleting, or modifying indexes, which are functionalities not provided by the getIndexes() command. Instead, commands like createIndex(), dropIndex(), and reIndex() are used for those specific purposes.