mysqldump 8 enabled a new flag called columm-statistics by default. When you have MySQL client above 8 and try to run mysqldump on older MySQL versions, you will get the error below. mysqldump: Couldn’t execute ‘SELECT COLUMN_NAME, JSON_EXTRACT(HISTOGRAM ‘$”number-of-buckets-specified”‘) FROM information_schema.COLUMN_STATISTICS WHERE SCHEMA_NAME = ‘myschema’ AND TABLE_NAME = ‘craue_config_setting’;’: Unknown …