KeyTakeAways About MongoDB dropIndex Method
- The dropIndex() method in MongoDB is used to delete a specified index from a collection.
- It allows deletion of one index at a time, while dropIndexes() can delete multiple indexes.
- Starting from MongoDB 4.2, dropIndexes() only kills queries using the index being dropped.
- From MongoDB 4.4, dropIndex() aborts the building process of the specified index if it is still being built.
MongoDB dropIndex() Method
MongoDB dropIndex() method drops or deletes the specified index from the given collection. It takes only one parameter which is the index, that we want to drop and it is optional.
To find the index name or the index specification document for the dropIndex() method, use the getIndexes() method.