Set a joker character to match certain characters when using the LIKE operator. The joker character "c" can be one of the following characters
* # $ @ ? & % ! + / | < >
The string after the keyword TO should contain all the characters that the joker
character should match. To have the character to match only itself to be a normal character
SET NO JOKER "c"
See also SETWILD, LIKE (details), JOKER