Membuat Index Unique Single Field db.collection.createIndex( <key and index type specification>, { unique: true } ) Contoh db.members.createIndex( { "user_id": 1 }, { unique: true } ) Drop Index…
Membuat Index Unique Single Field db.collection.createIndex( <key and index type specification>, { unique: true } ) Contoh db.members.createIndex( { "user_id": 1 }, { unique: true } ) Drop Index…