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Casterella, Gretchen Irwin; Vijayasarathy, Leo – Journal of Information Systems Education, 2013
Information Technology professionals and other knowledge workers rely on their ability to extract data from organizational databases to respond to business questions and support decision making. Structured query language (SQL) is the standard programming language for querying data in relational databases, and SQL skills are in high demand and are…
Descriptors: Databases, Programming Languages, Difficulty Level, Ambiguity (Context)
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Liu, Xiufeng; Ruiz, Miguel E. – Journal of Research in Science Teaching, 2008
This article reports a study on using data mining to predict K-12 students' competence levels on test items related to energy. Data sources are the 1995 Third International Mathematics and Science Study (TIMSS), 1999 TIMSS-Repeat, 2003 Trend in International Mathematics and Science Study (TIMSS), and the National Assessment of Educational…
Descriptors: Concept Teaching, Elementary Secondary Education, Academic Achievement, National Competency Tests