In interactive dashboards, the "Drill-Down" feature allows users to focus on specific parts of the data by drilling deeper into details. It involves navigating from summary data to more detailed information, enhancing data exploration and analysis.

The process that pre-aggregates data to enhance query performance in a data warehouse is ETL (Extract, Transform, Load). During ETL, data is transformed and summarized, allowing queries to access pre-computed aggregations, which significantly improves query response times.

Data "Validation" in the ETL process involves checking and verifying data for consistency, accuracy, and reliability. It ensures that data conforms to predefined rules and standards, making it suitable for analysis and reporting in a data warehouse. This step is critical for maintaining data quality.

A "risk matrix" aids in IT risk management by categorizing and prioritizing IT risks based on their likelihood and potential impact. This enables organizations to focus their efforts on addressing the most significant and relevant risks first, helping allocate resources effectively and make informed decisions.

Data mining is the process of using algorithms and statistical techniques to discover valuable patterns, trends, and insights within large datasets. It plays a crucial role in extracting knowledge from data and making it usable for decision-making.

Real-Time Business Intelligence (BI) systems are designed for real-time data processing and analysis. They provide insights and decision-making capabilities in the moment, making them ideal for scenarios where immediate responses to user actions or events are required, such as making real-time offers based on browsing behavior.

Partitioning large tables in a data warehouse can significantly improve query performance. By dividing large tables into smaller, more manageable partitions, the system can access and process only the relevant data, leading to faster query responses. This strategy is particularly useful when dealing with large volumes of historical data.

To ensure fast analytical processing of sales data across multiple stores, prioritizing parallel processing capabilities is essential. Parallel processing allows the appliance to split and process queries across multiple processors or nodes simultaneously, significantly improving query performance for large datasets.

To ensure smooth video streaming for global users, a Content Delivery Network (CDN) is a suitable scalability solution. CDNs distribute content to multiple servers across the globe, reducing latency and improving the user experience by delivering content from a server that is physically closer to the user.

The primary purpose of a data warehouse is to support data analysis and reporting. It serves as a centralized, historical data repository, enabling organizations to analyze and derive valuable insights from their data for decision-making and business intelligence.