Truy vấn Global secondary index

aws dynamodb query \
    --table-name Music \
    --index-name AlbumTitle-index \
    --key-condition-expression "AlbumTitle = :name" \
    --expression-attribute-values  '{":name":{"S":"Somewhat Famous"}}'

{
    "Items": [
        {
            "AlbumTitle": {
                "S": "Somewhat Famous"
            },
            "Awards": {
                "N": "1"
            },
            "Artist": {
                "S": "No One You Know"
            },
            "SongTitle": {
                "S": "Call Me Today"
            }
        },
        {
            "AlbumTitle": {
                "S": "Somewhat Famous"
            },
            "Awards": {
                "N": "2"
            },
            "Artist": {
                "S": "No One You Know"
            },
            "SongTitle": {
                "S": "Howdy"
            }
        }
    ],
    "Count": 2,
    "ScannedCount": 2,
    "ConsumedCapacity": null
}