SELECT LOWER('FirstValue') into @first_val;
SELECT UPPER('SecondValue') into @second_val;

INSERT INTO pairs values (@first_val, @second_val);
INSERT INTO pairs values (@first_val, @second_val);
INSERT INTO pairs values (@first_val, @second_val);
INSERT INTO pairs values (@first_val, @second_val);
INSERT INTO pairs values (@first_val, @second_val);
INSERT INTO pairs values (@first_val, @second_val);
INSERT INTO pairs values (@first_val, @second_val);
INSERT INTO pairs values (@first_val, @second_val);
INSERT INTO pairs values (@first_val, @second_val);
INSERT INTO pairs values (@first_val, @second_val);

INSERT INTO pairs values (LOWER(@first_val), UPPER(@second_val));
INSERT INTO pairs values (LOWER(@first_val), UPPER(@second_val));
INSERT INTO pairs values (LOWER(@first_val), UPPER(@second_val));
INSERT INTO pairs values (LOWER(@first_val), UPPER(@second_val));
INSERT INTO pairs values (LOWER(@first_val), UPPER(@second_val));
INSERT INTO pairs values (LOWER(@first_val), UPPER(@second_val));
INSERT INTO pairs values (LOWER(@first_val), UPPER(@second_val));
INSERT INTO pairs values (LOWER(@first_val), UPPER(@second_val));
INSERT INTO pairs values (LOWER(@first_val), UPPER(@second_val));
INSERT INTO pairs values (LOWER(@first_val), UPPER(@second_val));

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;

SET @sql = CONCAT('INSERT INTO pairs (first,second) values(''', LOWER(@first_val), ''', ''', UPPER(@second_val), ''')');
PREPARE stmt FROM @sql; execute stmt; deallocate prepare stmt;