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Oracle Database 12c SQL by Jason Price

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CHAPTER
7
Advanced Queries
In this chapter, you’ll learn how to perform the following tasks:
image   Combine rows returned by two or more queries using the set operators
image   Translate characters in one string to characters in another string using the TRANSLATE() function
image   Search for a value in a set using the DECODE() function
   Perform if-then-else ...

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