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Oracle® OLAP DML Reference
11g Release 1 (11.1)

B28126-03
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MAXCHARS

The MAXCHARS function counts the number of characters in the longest line of a multiline text expression. The result returned by MAXCHARS has the same dimensions as the specified expression.

Tip:

When you are using a multibyte character set, you can use the MAXBYTES function instead of the MAXCHARS function.

Return Value

INTEGER

Syntax

MAXCHARS(text-expression)

Arguments

text-expression

The text expression whose characters for each line are to be counted. MAXCHARS accepts either a TEXT or NTEXT argument. It does not perform an automatic conversion to either data type. It returns the information that is correct for the data type of the specified argument.

Examples

Example 8-23 Finding the Length of the Longest Line Using Characters

You would like to know the length of the longest line in a text variable called mytext. The following example shows the value of the variable and the result returned by MAXCHARS.

The statement

SHOW mytext

produces the following output.

This is a multiline text variable. 
The longest line is this one in the middle.
The third line is short.

The statement

SHOW MAXCHARS(mytext)

produces the following output.

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