Usage of rtrim function in oracle

The RTRIM function in Oracle is used to remove spaces at the end of a string. Usage: Syntax: RTRIM (string) Parameters: string - the string that needs to be processed Return value: the new string after removing trailing spaces Note: only trailing spaces are removed, and other white space characters are not affected; if there are no trailing spaces, the original text is returned; Not valid for NULL values.

Usage of RTRIM function in Oracle

The RTRIM function in Oracle is used to remove trailing spaces from the end of a string character.

Syntax:

<code>RTRIM(string)</code>

Parameters:

• #string: To remove the trailing from A string expression of spaces.

Return value:

A new string with trailing spaces removed.

Usage:

The RTRIM function can be used for various string operations, such as:

• Clean trailing spaces in user input
• Normalize strings for comparison or processing
• Remove extraneous spaces from database fields
• Prepare strings for printing or display

Example:

<code class="sql">SELECT RTRIM('  Hello World   ') FROM dual;</code>

Output:

<code>Hello World</code>

In this example, the RTRIM function removes all trailing spaces from the end of the string.

Note:

• The RTRIM function only removes trailing spaces, not other whitespace characters (such as tabs or newlines).
• If there are no trailing spaces in the string, the RTRIM function will return the same value as the original string.
• The RTRIM function does not work on NULL values ​​and returns NULL.

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