create type StringTable as table of varchar2(4000);
select A.dummy, B.column_value
from dual A, table(StringTable('one', 'two', 'three')) B;

##</code><code>##

DUMMY COLUMN_VALUE
----- ------------------
X     one
X     two
X     three

##</code><code>##

StringTable('one', 'two', 'three')

##</code><code>##

begin
   myproc(?, StringArray(?,?,?));
end;