CHAPTER7Getting Text Information and Changing It
This chapter introduces string functions, which are software tools that allow you to manipulate a string of letters or other characters. To reference individual functions quickly, look them up by name in the Alphabetical Reference section of this book. This chapter focuses on the manipulation of text strings; to perform word searches (including word stem expansions and fuzzy matches) you should use Oracle Text, as described in Chapter 27.
Functions in Oracle work in one of two ways. Some functions create new objects from old ones; they produce a result that is a modification of the original information, ...
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