[centos8:root~]# mariadb mytest

Reading table information for completion of table and column names

You can turn off this feature to get a quicker startup with -A

[centos8:root~]# mariadb

Welcome to the MariaDB monitor.  Commands end with ; or \g.

Your MariaDB connection id is 1811

Server version: 10.6.5-2-MariaDB MariaDB Server

Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.

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

MariaDB [(none)]> use mytest

Reading table information for completion of table and column names

You can turn off this feature to get a quicker startup with -A

mariadb mytest -e 'show tables;'

    PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND                                                                                            

  11847 root      20   0   57156  23804   7260 R  99.0   0.1   0:12.63 mariadb