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SQL 101: An Introduction to writing queries with SQL at the University of Minnesota (Day 3)

SQL 101: An Introduction to writing queries with SQL at the University of Minnesota (Day 3). Peter M. Radcliffe Senior Analyst College of Liberal Arts March 8 th , 2007. Agenda. Advanced Topics in SQL Queries Having clause Case/Decode statement Subqueries Wrap-up Q&A. SQL Skeleton.

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507 views • 30 slides

SQL Tips

SQL Tips. IMS User Group Meeting Fall 2002. Aggregation: COUNT. Provides a count of all (distinct) values in a particular column or table. The column can be either alpha or numeric. Null values in the column are included in the count. Syntax COUNT({* | [DISTINCT|ALL] expr}).

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386 views • 20 slides

SQL Tips

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212 views • 20 slides

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Acad career - PowerPoint PPT Presentation

SQL 101: An Introduction to writing queries with SQL at the University of Minnesota (Day 3)

SQL Tips

SQL Tips