Categories
aws

IAM Policy To Disable Table Deletion in DynamoDB

Categories
aws cloud

Hash functions and DynamoDB

What is a hash function A hash function is a function that takes in input value, and from that input value creates an output value deterministic of the input value. For any x input value, you will always receive the same y output value when the hash function is run. In this way, every input has […]

Categories
aws aws-athena

Query data stored in an S3 bucket with AWS Athena

Note: I’m assuming that you’re an IAM user with admin access.  Adding some data to an S3 bucket. The data format we will be using for this example is a CSV. Below is a sample of the data and how it’s structured, nothing complicated. username,user_id,firstname,lastname aldomatic,094,Aldo,Lugo cooluser,043,John,Jones cooluser1,223,Bryan,Baker Our bucket path will be: ~/bucket-name/folder-name/users.csv  Creating a […]