ETL is connected to many other important data concepts and practices, including big data, business intelligence, machine learning, metadata, data quality, and self-service analytics. Big data Big data describes
It is one of the important ETL concepts where you apply a set of functions on extracted data. Data that does not require any transformation is called asdirect moveorpass through data. In transformation step, you can perform customized operations on data. For instance, if the user wants sum-...
Data Warehouse Definition Data Warehousing Concepts Data Warehouse Design Data Warehousing Trends Business Intelligence Business Intelligence Software General Considerations Database/Hardware Selection ETL Tool Selection OLAP Tool Selection OLAP Tool Market Share Reporting Tool Selection Metadata Tool Selection Ope...
Data extraction plays a major role in designing a successful DW system. Different source systems may have different characteristics of data, and the ETL process will manage these differences effectively while extracting the data. “Logical data map” is a base document for data extraction. This sho...
Comprehensive knowledge with Infrastructure Setup, Environments Control, Data Modeling, ETL process, QA test cases, and Business Intelligence in Data Warehouse and BI projects. Good experience in handling a team. Having strong knowledge in data warehousing and ETL concepts. Extensive experience in ...
Data Warehousing Concepts Data Warehouse Design Requirement Gathering Physical Environment Setup Data Modeling ETL OLAP Cube Design Front End Development Report Development Performance Tuning Query Optimization Quality Assurance Rollout To Production Production Maintenance Incremental Enhancements Data Warehousing Tre...
Test performance under high data volumes. Use ETL testing tools to automate and enhance accuracy. This article aims to teach the fundamental concepts of ETL testing, its importance, and how it ensures the integrity of the data pipeline. By the end, you will understand how effective ETL testing...
Module 25– Advanced Concepts in SCD Module 26– Incremental Data Loading and Aggregation Module 27– Constraint-based Loading Module 28– XML Transformation and Active Lookup Module 29– Profiling in PowerCenter Module 30– Workflow Creation and Deletion ...
2. ETL modeling concepts The general framework for ETL processes is shown in Fig. 1. Data is extracted from different data sources, and then propagated to the DSA where it is transformed and cleansed before being loaded to the data warehouse. Source, staging area, and target environments may...
Mindmajix ETL Testing training offers an in-depth understanding of Data warehousing and business intelligence concepts through real-world examples. You will also gain the essential knowledge of ETL testing, Performance Tuning, cubes, etc., through hands-on projects, and this will help you to become...