Querying DynamoDB by date

Question

I\'m coming from a relational database background and trying to work with amazon\'s DynamoDB

I have a table with a hash key \"DataID\" and a range \"CreatedAt\" and

Answer 1

You could make the Hash key something along the lines of a 'product category' id, then the range key as a combination of a timestamp with a unique id appended on the end. That way you know the hash key and can still query the date with greater than.