$ docker exec -it mysql8 bash
root@9610b93b6185:/# cd /tmp/; ls -alh
total 14K
drwxrwxrwt  2 root root   3 Feb 19 22:50 .
drwxr-xr-x 22 root root  24 Feb 19 22:50 ..
-rw-rw-r--  1 1000 1000 524 Feb 19 22:46 dump.sql
root@9610b93b6185:/tmp# mysql -e "CREATE DATABASE test" -proot
mysql: [Warning] Using a password on the command line interface can be insecure.
root@9610b93b6185:/tmp# mysql -proot test < dump.sql
mysql: [Warning] Using a password on the command line interface can be insecure.
root@9610b93b6185:/tmp# mysql -proot test
mysql: [Warning] Using a password on the command line interface can be insecure.
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 10
Server version: 8.0.15 MySQL Community Server - GPL

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Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> SHOW CREATE TABLE a \G SELECT * FROM a; DELETE FROM b WHERE id = 11; SELECT * FROM a; DROP DATABASE test; CREATE DATABASE test;
*************************** 1. row ***************************
       Table: a
Create Table: CREATE TABLE `a` (
  `id` int(10) NOT NULL,
  PRIMARY KEY (`id`),
  CONSTRAINT `fk` FOREIGN KEY (`id`) REFERENCES `b` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
1 row in set (0.00 sec)

+----+
| id |
+----+
|  1 |
| 11 |
+----+
2 rows in set (0.00 sec)

Query OK, 1 row affected (0.01 sec)

+----+
| id |
+----+
|  1 |
| 11 |
+----+
2 rows in set (0.00 sec)

Query OK, 2 rows affected (0.07 sec)

Query OK, 1 row affected (0.01 sec)

mysql>