Data

Relational, document, key-value, wide-column, and graph databases

Specialized databases for storing and querying vector embeddings

Repository, Data Mapper, Active Record, Unit of Work patterns

Data lakes, warehouses, lakehouses, governance, and lifecycle management

Kimball methodology, fact tables, dimensions, SCDs, and measures

Indexing, sharding, replication, caching, and vertical scaling

Data warehouses, OLAP databases, and analytics platforms for large-scale data