What are IAM policies and roles in AWS Lambda?
IAM policies are rules that define permissions for AWS resources, while roles are a set of permissions that can be assumed by AWS services or users.
How do I create an IAM role for my Lambda function?
You can create an IAM role in the AWS Management Console by navigating to IAM, selecting Roles, and then clicking 'Create role'. Choose 'AWS service' and select Lambda.
What permissions should I include in the role for accessing DynamoDB?
You should include permissions like 'dynamodb:PutItem', 'dynamodb:GetItem', and 'dynamodb:Scan' in your IAM policy for accessing DynamoDB.
Can I attach multiple policies to a single IAM role?
Yes, you can attach multiple policies to a single IAM role to grant various permissions as needed.
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