This book looks at ways of optimizing SQL queries to save maximum time and cost and provide the query efficiently. Andy Vickler concentrates on advanced query optimization, and assumes an adequate ...

The skills people most often associate with data scientists are usually those "hard" technical and math skills, including statistics, probability, linear algebra, algorithm knowledge and data ...

Advanced query writing using the PeopleSoft Query Manager. Includes creating subqueries, adding expressions, and becoming familiar with aggregate functions. Wednesday, Nov. 17, 1–4 p.m.

Have you ever found yourself staring at a long, messy column of data, wondering how to quickly transform it into a clean, structured table? For anyone working with Power Query, this challenge is all ...