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DynamoDB: Get Last 10 Records (Guide w/ Code Examples)

Rafal Wilinski

Provided by Rafal Wilinski

To retrieve the last 10 records from a DynamoDB table using the JavaScript SDK, you can use the query or scan methods with the following parameters:

  • **TableName**: Name of the table you want to query
  • **Limit**: Maximum number of records you want to retrieve (in this case, 10)
  • **ScanIndexForward** : false ( To get the last 10 items )
  • **KeyConditionExpression** : 'partitionKey = :partitionKey'
  • **ExpressionAttributeValues** : {':partitionKey': partitionKeyValue }
var AWS = require('aws-sdk'); var ddb = new AWS.DynamoDB({apiVersion: '2012-08-10'}); var params = { TableName: 'myTable', Limit: 10, ScanIndexForward: false, KeyConditionExpression: 'partitionKey = :partitionKey', ExpressionAttributeValues: { ':partitionKey': partitionKeyValue } }; ddb.query(params, function(err, data) { if (err) { console.log("Error", err); } else { console.log("Success", data.Items); } });

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