Returning only the subset for response from dynamdb scan
问题 the use case that I am trying to achieve is: To check if there is any existing bid on the load that has been posted. there 2 different tables "load" which has information on the load "bid" which has information of bid on loads. Now I read that dynamodb can't support joins as RDS does. How can I check there is an exiting bid on a load? My approach here was to scan the "bid" table with load_id and bid_by and send the information to the front end and do the rest of the operation there. here is a