September 2009
Intermediate to advanced
1050 pages
29h 36m
English
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CHAPTER 10Single-Row and Conversion Functions
Exam Objectives
In this chapter you will learn to
• 051.3.1 Describe Various Types of Functions Available in SQL
• 051.3.2 Use Character, Number, and Date Functions in SELECT Statements
• 051.4.1 Describe Various Types of Conversion Functions That Are Available in SQL
• 051.4.2 Use the TO_CHAR, TO_NUMBER, and TO_DATE Conversion Functions
• 051.4.3 Apply Conditional Expressions in a SELECT Statement
The functions discussed in this chapter are commonly used built-in PL/SQL programs, packaged and supplied by Oracle. Some operate on numeric, date, and character data, while others convert data between the different scalar data types. Functions can be nested, and some functions are aimed at simplifying ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.