Storage platforms and their characteristics
Data validation (data completeness, consistency, accuracy, and integrity)
How to implement data skew mechanisms
How to model structured, semi-structured, and unstructured data
Best practices for indexing, partitioning strategies, compression, and other data optimization techniques
How to align data storage with data migration requirements
How to protect personally identifiable information (PII)
How to protect data with appropriate resiliency and availability
Data retention policies and archiving strategies
Protection of sensitive data