The table format is used by default when MySQL Shell is in interactive mode. The output is presented as a formatted table for a better view and to aid analysis.

mysql-sql> select * from sakila.actor limit 3;
+----------+-------------+----------------+----------------------+
| actor_id | first_name  | last_name      | last_update          |
+----------+-------------+----------------+----------------------+
|        1 | PENELOPE    | GUINESS        | 2006-02-15 4:34:33   |
|        2 | NICK        | WAHLBERG       | 2006-02-15 4:34:33   |
|        3 | ED          | CHASE          | 2006-02-15 4:34:33   |
+----------+-------------+----------------+----------------------+
3 rows in set (0.00 sec)

mysql-sql>

To get this output format when running in batch mode, use the --table command-line option.