Business Intelligence

Data Integration: ETL or ELT?

Data integration: ETL vs ELTModern enterprises gather data from many disparate sources, including social media, websites, customer databases (CRM systems, sales records etc), customer support systems, and HR software.

Merely collecting lots of data isn't useful in itself—it's the insights you get from such data that can drive more informed business decisions. This post aims to teach you about the bedrock processes required for obtaining insights from your data—ETL and ELT.

We'll begin by discussing data integration, before moving on to two vital forms of data integration—ETL and ELT. When you're finished reading, you'll fully understand what ETL and ELT are, and which process is better suited to your business in terms of getting actionable insights from different data sources..  

Popular Agile Testing Metrics and KPIs and How to Use Them

Cumulative flow diagramAgile test metrics and KPIs are measurements that enable Agile teams to assess how effective their software tests are and whether their testing efforts help achieve specific business objectives. An important aim of Agile software testing is to get testing up to speed with development—metrics and KPIs can assess the efficacy of the Agile testing team in this context.

In this article, you'll find out about the important difference between a metric and a KPI, and why you need to distinguish between the two. You'll also get some examples of KPIs and metrics relevant to Agile software testing efforts. Finally, you'll learn exactly how KPIs and metrics can lead to overall improvement in software testing within an Agile framework in addition to understanding some important measuring pitfalls..

Data Warehouse Security Best Practices

DWH securityData warehouse security is vital for organizations that take the huge step of collating all their important data in one place. Unauthorized access to data warehouses can have devastating consequences, ranging from compromised customer information to exposing of high-level business intelligence that gives an enterprise its competitive advantage.

This article introduces warehouse security, discusses some of the challenges involved in securing a data warehouse, and offers some best practices for data warehouse security, including the use of FIPS 140-2 certified software and hardware..