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Oracle Database 11g The Complete Reference by Kevin Loney

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CHAPTER 14Some Complex Possibilities

This chapter continues the study of the more complex Oracle functions and features. Of particular interest here is the creation of simple and group queries that can be turned into views, the use of totals in calculations, and the creation of reports showing tree structure. Like the techniques covered in Chapter 13, these techniques are not essential for most reporting needs. If they look overly difficult, don't be frightened off. If you are new to Oracle and the use of its query facilities, it is enough to know that these capabilities exist and you can turn to them if needed.

Complex Groupings

Views can build upon each other. In Chapter 12, you saw the concept of creating a view of a grouping of rows from ...

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