Data warehouse is a central repository for reporting and analysis of data. Stores current and historical data organized for easy reporting and insights. Data is uploaded from operational systems and may require cleansing
Slowly changing dimensions determine what can be measured over time. Wrong dimension choice can create gaps in business metrics. Data warehouse design affects tracking historical attributes
SAP BW is an end-to-end data warehousing solution from SAP AG. Course teaches data modeling, extraction, reporting and administration. Training includes 12 lessons covering core and advanced concepts. Exam duration is 180 minutes with 80 questions
SQL Server sample databases contain fictitious information for testing and development. No sample databases were installed during SQL Server 2005 installation. Microsoft removed sample databases due to security concerns
Structured data is organized and easily decipherable by machine learning. SQL is the programming language for managing structured data. Examples include dates, names, addresses and credit card numbers. Advantages include easy ML and business user access. Limitations include limited usage and storage options
Develops data pipelines with ease. Designs interactive reporting capabilities. Enables meta data injection at scale