Data Store Management — AWS Certified Data Engineer - Associate

The official AWS documentation our Data Store Management practice questions are cited to. Review the primary sources, then practise.

practice 33 questions →

Official references for this objective

Amazon Web Services — Amazon Redshift provisioned clusters overview - Amazon Redshift

you can save money by reserving compute nodes for a one-year or three-year period. Reserving compute nodes offers significant savings compared to the hourly rates
Amazon Web Services — Choosing the Right DynamoDB Partition Key | AWS Database Blog

It's better to choose a natural partition key than generate a synthetic one that won't be used for querying.
Amazon Web Services — Creating an Amazon RDS DB instance - Amazon Relational Database Service

it must be in an AWS Region that has at least two Availability Zones. The DB subnet group that you choose for the DB instance
Amazon Web Services — Object Storage Classes – Amazon S3

S3 One Zone-IA stores data in a single AZ and costs 20% less than S3 Standard-IA
Amazon Web Services — Data lifecycle management - Best Practices for Building a Data Lake on AWS for Games

you can use S3 Intelligent-Tiering to tier objects based on changing access patterns, and automatically deliver cost savings without operational overhead. You pay a small
Amazon Web Services — Managing the lifecycle of objects - Amazon Simple Storage Service

The one exception to this behavior is if you have a lifecycle rule to transition to the S3 Intelligent-Tiering storage class. In that case, billing
Amazon Web Services — Creating your first Amazon RDS DB instance - Amazon Relational Database Service

For most workloads, General Purpose SSD provides a balance between cost and performance. High-performance transactional applications benefit from Provisioned IOPS SSD.
Amazon Web Services — Best practices for designing and using partition keys effectively in DynamoDB - Amazon DynamoDB

Every partition in a DynamoDB table is designed to deliver a maximum capacity of 3,000 read units per second
Amazon Web Services — Setting up your Amazon RDS environment - Amazon Relational Database Service

For Type , choose Custom TCP . For Port range , enter the port value to use for your DB instance. For Source , choose
Amazon Web Services — What is Amazon ElastiCache? - Amazon ElastiCache

Amazon ElastiCache is a web service that makes it easy to set up, manage, and scale a distributed in-memory data store or cache environment in