48.90 IS_USERNAME_UNIQUE Function

This function returns a Boolean result based on whether the named user account is unique in the workspace.

Syntax

APEX_UTIL.IS_USERNAME_UNIQUE(
    p_username IN VARCHAR2)
RETURN BOOLEAN;

Parameters

Table 48-74 IS_USERNAME_UNIQUE Parameters

Parameter	Description
p_username	Identifies the user name to be tested.

Example

The following example shows how to use the IS_USERNAME_UNIQUE function. If the user 'FRANK' already exists in the current workspace, FALSE is returned, otherwise TRUE is returned.

DECLARE
    VAL BOOLEAN;
BEGIN
    VAL := APEX_UTIL.IS_USERNAME_UNIQUE(
        p_username=>'FRANK');
END;