#86 Prepare for the AWS Database Certified — Specialty Exam (DBS-C01) Like a Pro!

I aced this exam swiftly and confidently, scoring over 800 out of 1000. I’m eager to share the focused studying points that I used to prepare for this course, without the need for lengthy Udemy courses or tutorials.

Disclaimer: Please be aware that this document does not encompass all the necessary information for exam success, as I have already acquired knowledge in certain aspects of each service and only documented new insights. However, it’s worth noting that all the services mentioned herein will be included in the exam.

Let’s get right into it!

1. AWS Neptune: graph-based recommendation system for unstructured texts to find connections among them. Keyword: relationship, connection.
2. VACUUM is effective to improve the query performance and to reduce the latency (most operational efficiency).
3. DynamoDB:

• Auto-scaling: a cost-effective datastore solution that will accommodate a sudden increase in the volume of write transactions. The database also needs to make data changes available in a near real-time data stream.
• Can only assign security group during cluster creation, and binding with VPC.
• DynamoDB doesn’t have AWS PrivateLink VPC endpoint. DynamoDB only has gateway VPC endpoint.
• Designing a disaster recovery (DR) strategy for a highly available application that is in…