How to create MongoDB index?

Question

How to create MongoDB indexes on single field and multiple fields?

Karthik Divi · Accepted Answer

## 1. Creating on one field
You can use the following syntax to create index on one field
```javascript
db.collection.createIndex(field, options);
```
Ex.
```javascript
db.users.createIndex( {name : 1}, {} );
```
## 1. Creating on multiple fields
You can use the following syntax to create index on multiple fields 
```javascript
db.collection.createIndex(fields, options);
```
Ex.
```javascript
db.users.createIndex( {name : 1, age:  1}, {});
```

How to create MongoDB index?

1 Answer

1. Creating on one field

1. Creating on multiple fields