Retrieval: Multiple Tables and Aggregation
This chapter resumes the discussion of the retrieval possibilities of the SQL language. It is a logical continuation of Chapters 4 and 5.
KeywordsQuery Result Group Function Count Function Error Message Employee Group
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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© Lex de Haan, Daniel Fink, Tim Gorman, Inger Jørgensen, Karen Morton 2009