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19 Jun, 2019
Foundations of Data Extraction Transform Load (ETL)
19 June, 2019
Wayne Yaddow
ETL
Data extraction, transformation, and loading processes enable many activities in information technology projects. Understanding the concepts and practices of ETL is essential for all data and technology professionals Introduction Data extract, transform, load (ETL) is a process of copying data from one or more sources into a target system which is usually designed to represent the data differently
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20 Mar, 2019
Introduction to Data Warehouse Testing
20 March, 2019
Wayne Yaddow
ETL
An Overview of Data Warehouse Testing Data warehouse and data integration testing should focus on ETL processes, BI engines, and applications that rely on data from the data warehouse and data marts. Introduction There is little that casts doubt on a data warehouse and BI project more quickly than incorrectly reported data. It is crucial that data warehouse project teams do all in thei
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1 Jul, 2006
Security Threats in the Data Warehouse Environment
01 July, 2006
Michael F. Jennings
ETL
Data warehouse implementations are vulnerable to internal as well as external security threats. Follow these mitigating steps to reduce the risks. Introduction Security threats exist against your information resources, whether the systems are accessible through the Internet or buried deep within your internal network, available only to authorized users, including the enterprise data warehouse
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