← AWS Certified Data Engineer - Associate
AWS · objective · 26% of the exam
Data Store Management
Exam objectives are the official skill domains AWS Certified Data Engineer - Associate tests. Below are the official AWS docs our questions on this objective cite — review them, then practise.
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Official references for this objective
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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
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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.
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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
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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
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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
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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
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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.
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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
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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
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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