How to drop an index?

Difficulty: 5/10

index management, performance optimization, migration

You may need to drop an index if you see a negative performance impact, want to replace it with a new index, or no longer need the index.

1
You can drop any index except the default index on the _id field. To drop the _id index, you must drop the entire collection.
2
To drop an index, you need its name. To get all index names for a collection, run the getIndexes() method

After you identify which indexes to drop, use one of the following drop methods for the specified collection:

0-2 years experience

2-5 years experience

Difficulty: 5/10

index management, performance optimization, migration

1
You can drop any index except the default index on the _id field. To drop the _id index, you must drop the entire collection.
2
To drop an index, you need its name. To get all index names for a collection, run the getIndexes() method

After you identify which indexes to drop, use one of the following drop methods for the specified collection:

0-2 years experience

2-5 years experience