Data Warehousing
(การจัดเก็บข้อมูลในคลังข้อมูล)
Definition
Data Warehousing (การจัดเก็บข้อมูลในคลังข้อมูล) Hard Skill
The process of collecting, storing, and managing large volumes of data from multiple sources to support business analysis and reporting.
Expertise Level
Level 1
Basic
1. Understands basic concepts of data warehousing.
2. Can navigate and query simple data warehouse systems.
3. Familiar with common data storage formats and structures.
Level 2
Intermediate
1. Can design and implement data extraction, transformation, and loading (ETL) processes.
2. Understands data modeling and schema design for warehouses.
3. Able to optimize queries and manage data quality within the warehouse.
Level 3
Advanced
1. Can architect large-scale data warehouse solutions integrating multiple complex data sources.
2. Implements advanced performance tuning and data governance strategies.
3. Leads data warehousing projects ensuring scalability, security, and compliance.
