-- Run only in a fresh bhylu_mysql_lab seeded from repair-seed.sql. SET NAMES utf8mb4 COLLATE utf8mb4_0900_ai_ci; SET SESSION sql_mode = 'STRICT_TRANS_TABLES,ONLY_FULL_GROUP_BY,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION'; SET SESSION time_zone = '+00:00'; SET SESSION lc_time_names = 'en_US'; SELECT 'CONCAT' AS operation, CONCAT('North', ': ', 'patch') AS result; SELECT 'CONCAT_WS' AS operation, CONCAT_WS(' / ','North',NULL,'patch') AS result; SELECT 'SPACE' AS operation, CHAR_LENGTH(SPACE(3)) AS result; SELECT 'REPEAT' AS operation, REPEAT('-',3) AS result;