Join us at MongoDB.local London on 7 May to unlock new possibilities for your data. Use WEB50 to save 50%.
Register now >
Docs Menu
Docs Home
/ /
Collections
Docs Home
/ /
mongosh Methods
/
Collections
Docs Home
/
MongoDB Manual
/
Reference
/
mongosh Methods
/
Collections

db.collection.ensureIndex()

db.collection.ensureIndex(keys, options)

Note

Removed in 5.0

db.collection.ensureIndex() has been replaced by db.collection.createIndex().

Tip

db.collection.createIndex()

Back

db.collection.dropIndexes

Next

db.collection.estimatedDocumentCount