'Additional set' presentation slideshows

THE HAVING-CLAUSE

THE HAVING-CLAUSE. Provides a condition on the summary information Sometimes we want to retrieve the values of these functions for only those groups that satisfy certain conditions The HAVING -clause is used for specifying a selection condition on groups (rather than on individual tuples ).

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Durham and Duke: A Story of Community Engagement

Durham and Duke: A Story of Community Engagement J. Lloyd Michener, MD Professor and Chair Department of Community and Family Medicine Director, Duke Center for Community Research Duke University School of Medicine National Advisory Research Resources Council May 14, 2008

358 views • 12 slides

Product

197 views • 8 slides