How to ensure accuracy and trustworthiness of data by using data lineage
Infrastructure as code (IaC) for repeatable deployments (for example, AWS Cloud Development Kit [AWS CDK], AWS CloudFormation)
How to log application data
Continuous integration and continuous delivery (CI/CD) (implementation, testing, and deployment of data pipelines)
Data structures and algorithms (for example, graph data structures and tree data structures)
Data aggregation, rolling average, grouping, and pivoting
How to log access to AWS services
How to optimize the cost of storage based on the data lifecycle
Data anonymization, masking, and key salting
How to log application data
SQL queries (for data source queries and data transformations)
How to log access to AWS services
Components of metadata and data catalogs
Role-based access control and expected access patterns