All character functions require alphanumeric input parameters. The input can be a text literal or character literal, sometimes referred to as a string, or text, constant, or a column of data type VARCHAR2, CHAR, or CLOB. Text literals are always surrounded by single quotation marks. This lab discusses the most frequently used character functions.
- Chapter 4. Character, Number, and Miscellaneous Functions
- from Oracle® SQL by Example, Fourth Edition
- Publisher: Prentice Hall
- Released: August 2009
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