August 2013
Intermediate to advanced
1472 pages
38h
English
Content preview from Oracle Database 12c The Complete Reference
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CHAPTER11Conversion and Transformation Functions
This chapter looks at functions that convert, or transform, one datatype into another. Four major datatypes and their associated functions have been covered thus far:
CHAR (fixed-length character strings) and VARCHAR2 (variable-length character strings) include any letter of the alphabet, any number, and any of the symbols on the keyboard. Character string literals must be enclosed in single quotation marks:
NUMBER includes just the digits 0 through 9, a decimal point, and a minus sign, if necessary. ...
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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.