This blog is about an industry area that has come to be called “Big Data.” The excitement around Big Data is huge; the mere fact that the term is capitalized implies a lot of respect. A number of ...

Yesterday I got an email from UC Berkeley’s Master of Information and Data Science program, asking me to respond to a survey of data science thought leaders, asking the question “What is big data”? I ...

relationships are established between the groups of data. Typically, a database is organized according to the types of data and how you want to use the data. You must understand and be familiar with ...

In writing a definition for an entity, an attribute, or any other element within a database design, the desired end is a descriptive text that is clear, factual and concise. Semantics are an ambiguous ...

Mike Chapple is associate teaching professor of IT, analytics and operations at the University of Notre Dame. The emergence of business intelligence and data warehousing initiatives has placed ...

The requirements for a logical and physical database vary by size and design parameters. A logical database must be able to access and identify all files within the storage system to operate correctly ...

The fundamental data structure in a data processing system. Any unit of data defined for processing is a data element; for example, ACCOUNT NUMBER, NAME, ADDRESS and CITY. A data element is defined by ...