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# 讀取、寫入、更新和刪除 DynamoDB 資料表存取權限的 IAM 政策
<a name="iam-policy-example-data-crud"></a>

如果您需要允許應用程式建立、讀取、更新和刪除 Amazon DynamoDB 資料表、索引和串流中的資料，請使用此政策。視需要替換 AWS 區域名稱、您的帳戶 ID，以及資料表名稱或萬用字元 (\*)。

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#### [ JSON ]

****  

```
{
    "Version":"2012-10-17",		 	 	 
    "Statement": [
        {
            "Sid": "DynamoDBIndexAndStreamAccess",
            "Effect": "Allow",
            "Action": [
                "dynamodb:GetShardIterator",
                "dynamodb:Scan",
                "dynamodb:Query",
                "dynamodb:DescribeStream",
                "dynamodb:GetRecords",
                "dynamodb:ListStreams"
            ],
            "Resource": [
                "arn:aws:dynamodb:us-west-2:123456789012:table/Books/index/*",
                "arn:aws:dynamodb:us-west-2:123456789012:table/Books/stream/*"
            ]
        },
        {
            "Sid": "DynamoDBTableAccess",
            "Effect": "Allow",
            "Action": [
                "dynamodb:BatchGetItem",
                "dynamodb:BatchWriteItem",
                "dynamodb:ConditionCheckItem",
                "dynamodb:PutItem",
                "dynamodb:DescribeTable",
                "dynamodb:DeleteItem",
                "dynamodb:GetItem",
                "dynamodb:Scan",
                "dynamodb:Query",
                "dynamodb:UpdateItem"
            ],
            "Resource": "arn:aws:dynamodb:us-west-2:123456789012:table/Books"
        },
        {
            "Sid": "DynamoDBDescribeLimitsAccess",
            "Effect": "Allow",
            "Action": "dynamodb:DescribeLimits",
            "Resource": [
                "arn:aws:dynamodb:us-west-2:123456789012:table/Books",
                "arn:aws:dynamodb:us-west-2:123456789012:table/Books/index/*"
            ]
        }
    ]
}
```

------

若要展開此政策以涵蓋此帳戶所有 AWS 區域中的所有 DynamoDB 資料表，請針對區域和資料表名稱使用萬用字元 (\*)。例如：

```
"Resource":[
                "arn:aws:dynamodb:*:123456789012:table/*",
                "arn:aws:dynamodb:*:123456789012:table/*/index/*"
                ]
```