SELECT CONCAT(LEFT(`name`, 1), '. ', `lastname`) AS `short_name` FROM `clients` WHERE POSITION('tt' IN `lastname`) != 0 OR POSITION('ss' IN `lastname`) != 0 OR SELECT * FROM `clients` WHERE `phone` ...
// codepoints larger than 0x10FFFF (the highest codepoint allowed). // Non-characters and unassigned codepoints are allowed.