Breaking Down Data Silos in Your Organization

One of the biggest challenges your data science team is likely to encounter is gaining access to all of the organization’s data. Many organizations have data silos— data repositories managed by different departments and isolated from...

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Democratizing Data in Your Organization

Democratizing data involves making it available to personnel throughout an organization and providing them with the tools and training needed to query and analyze that data. In this post, I discuss the potential benefits and drawbacks of data...

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The Differences Between OLTP and OLAP

Businesses and other organizations typically have two types of database management systems (DBMSs) — one for online transactional processing (OLTP) and another for online analytical processing (OLAP):

  • Online transactional processing (OLTP):...
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Grasping Extract, Transform, and Load (ETL) Basics

To analyze a body of data, that data must first be loaded into a data warehouse; that is, it must be copied from one or more systems, converted into a uniform format, and written to the new destination. This process is commonly referred to as ...

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