Oracle® OLAP Expression Syntax Reference Release 11.2 Part Number E23381-01 |
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PDF · Mobi · ePub |
TO_CHAR(character)
converts a text expression to the database character set.
VARCHAR2
TO_CHAR(exp)
char
is a text expression. If it contains characters that are not represented in the database character set, then the conversion results in a loss of data.
TO_CHAR('¡Una qué sorpresa!')
returns the value ?Una qu? sorpresa!
Two letters are lost in the conversion (¡
and é
) because they are not in the database character set.
TO_CHAR('David Ortiz')
returns the value David Ortiz
in the database character set. No characters are lost in this conversion because all of them are in the database character set.