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Business Intelligence What Is Query Folding? Query folding is the Power BI mechanism by which Power Query (M) transformations are translated into native source-system queries — SQL for… Technical Business Intelligence What Is Row-Level Security? Row-level security (RLS) is the access control mechanism that restricts which rows of data a BI report user can see — based… Technical Business Intelligence What Is a Slowly Changing Dimension? A slowly changing dimension (SCD) is the design pattern for managing dimension attribute changes over time — preserving historical values for analytical… Technical Business Intelligence What Is a Snowflake Schema? A snowflake schema is the dimensional modelling pattern in which dimension tables are normalised into sub-dimensions — reducing storage redundancy at the… Technical Business Intelligence What Is a Star Schema? A star schema is the dimensional modelling pattern in which a central fact table containing numeric measures connects directly to a set… Technical Business Intelligence What Is Apache Airflow? Apache Airflow is the leading open-source workflow orchestration platform for data pipelines — enabling engineers to define, schedule, monitor, and debug complex… Technical Business Intelligence What Is Apache Spark in BI? Apache Spark is the leading open-source distributed computing framework for large-scale data processing — used in enterprise BI environments for data transformation,… Technical Business Intelligence What Is Azure Synapse Analytics? Azure Synapse Analytics is Microsoft's unified analytics platform that combines enterprise data warehousing, big data analytics, and data integration in a single… Technical Business Intelligence What Is BI on Azure Architecture? BI on Azure architecture defines the complete technical design of a cloud business intelligence platform built on Microsoft Azure services — from… Technical Business Intelligence What Is BI Performance Optimisation? BI performance optimisation is the systematic process of improving query response times, report load speeds, and data refresh durations across a business… Technical Business Intelligence What Is BI Security Architecture? BI security architecture is the comprehensive design of access controls, data protection, network security, and audit logging across a business intelligence platform… Technical Business Intelligence What Is a Bridge Table? A bridge table (also called an associative table or junction table) resolves many-to-many relationships between two dimension tables in a data warehouse… Technical Business Intelligence What Is Change Data Capture (CDC)? Change Data Capture (CDC) is a data integration technique that identifies and captures only the rows that have been inserted, updated, or… Technical Business Intelligence What Is Cloud BI vs On-Premise BI? Cloud BI and on-premise BI represent two fundamentally different deployment models for business intelligence platforms — cloud BI delivered as managed SaaS… Technical Business Intelligence What Is a Conformed Dimension? A conformed dimension is a dimension table that is shared consistently across multiple fact tables and data marts — ensuring that the… Technical