In graphql what is difference between a `type query` and `extend type query`?

In graphql what is difference between a type query and extend type query?

Ex: difference between

type Query {
    product(id: String!): Product
}

and

extend type Query {
    DeviceDetail(devId: String!): DeviceDetail
}

Will appreciate if you could add an example for your explanation.

asked 1 hour ago

cbot

1327 bronze badges

You can only declare a type once, but you can extend it multiple times

– Bergi

1 hour ago
@Bergi – +1. will appreciate if you can add an answer with an example or provide any doc/article reference.

– cbot

1 hour ago
@Bergi – you mean or refer to the schema file. In schema file You can only declare a type once, but you can extend it multiple times. Is this what you mean.

– cbot

1 hour ago
Where else if not in a schema file would you find this code?

– Bergi

1 hour ago

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