1Core Data Concepts
- 1.1Types of Data and Data Roles
Understand the three kinds of data (structured, semi-structured, unstructured), the stores suited to each, and the main data roles (database administrator, data engineer, data analyst). The starting point for DP-900.
- 1.2Transactional and Analytical Workloads (OLTP and OLAP)
Understand the two major data workload categories—transactional (OLTP) and analytical (OLAP)—plus ACID properties and how data warehouses and ETL/ELT relate.

