What is Hash and Range Primary Key? - Stack Overflow
Dec 6, 2014 · DynamoDB builds an unordered hash index on the hash attribute and a sorted range index on the range attribute. This means that every row's primary key is the combination of the hash …
How can I join tables in AWS DynamoDB? - Stack Overflow
Apr 20, 2016 · I know the whole design should be based on natural aggregates (documents), however, I'm thinking to implement a separate table for localisations (lang, key, text) and then use keys in …
What data type should be used for timestamp in DynamoDB?
Mar 10, 2022 · In DynamoDB, there are a couple of data types that can be used to store dates. The recommended approach is to use the "String" data type and follow a specific date format such as …
Dynamodb what are WCU and RCU? - Stack Overflow
Mar 20, 2022 · As you said, RCU and WCU measures the number of reads and writes (respectively) per second. However, for obvious reasons, doing a 10 byte read is not billed the same as a read of the …
What exactly is Limit in Dynamodb? - Stack Overflow
Aug 1, 2022 · From AWS Docs: A single Query operation can retrieve a maximum of 1 MB of data. This limit applies before any FilterExpression or ProjectionExpression is applied to the results. If …
What is the difference between partition key and sort key in amazon ...
May 16, 2019 · With contrast to primary key, composite key and candidate key, what is a partition key and a sort key in dynamodb?
How can I import bulk data from a CSV file into DynamoDB?
In which language do you want to import the data? I just wrote a function in Node.js that can import a CSV file into a DynamoDB table. It first parses the whole CSV into an array, splits array into (25) …
Maximum size of DynamoDB item - Stack Overflow
Feb 12, 2017 · Does anyone know what is the maximum size of Item payload that amazon dynamo DB supports? I am sure its buried in documentation somewhere. My follow-up question is that when you …
AWS Dynamodb document client UpdateCommand - Stack Overflow
Jul 13, 2021 · The UpdateCommand in the AWS DynamoDB documentation is not very well documented and hard to use. I wanted to use the update command to just take a Javascript object …
Is it possible to ORDER results with query or scan in DynamoDB?
Mar 25, 2024 · Is it possible to ORDER results with Query or Scan API in DynamoDB? I need to know if DynamoDB has something like ORDER BY 'field' from SQL queries? Thanks.