[MariaDB] Har jag förstört min databas?

MariaDB [(none)]> use seahub_db;
ERROR 1049 (42000): Unknown database 'seahub_db'
MariaDB [(none)]> use seahub-db;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
MariaDB [seahub-db]> DELETE FROM Event WHERE to_days(now()) - to_days(timestamp) > 90;
ERROR 1146 (42S02): Table 'seahub-db.Event' doesn't exist

MariaDB [seahub-db]> SHOW TABLES;
+-------------------------------------------+
| Tables_in_seahub-db                       |
+-------------------------------------------+
| admin_log_adminlog                        |
| api2_token                                |
| api2_tokenv2                              |
| avatar_avatar                             |
| avatar_groupavatar                        |
| base_clientlogintoken                     |
| base_commandslastcheck                    |
| base_devicetoken                          |
| base_filecomment                          |
| base_filediscuss                          |
| base_groupenabledmodule                   |
| base_innerpubmsg                          |
| base_innerpubmsgreply                     |
| base_userenabledmodule                    |
| base_userlastlogin                        |
| base_userstarredfiles                     |
| captcha_captchastore                      |
| constance_config                          |
| contacts_contact                          |
| django_content_type                       |
| django_migrations                         |
| django_session                            |
| group_groupmessage                        |
| group_messageattachment                   |
| group_messagereply                        |
| group_publicgroup                         |
| institutions_institution                  |
| institutions_institutionadmin             |
| institutions_institutionquota             |
| invitations_invitation                    |
| notifications_notification                |
| notifications_usernotification            |
| options_useroptions                       |
| organizations_orgmemberquota              |
| post_office_attachment                    |
| post_office_attachment_emails             |
| post_office_email                         |
| post_office_emailtemplate                 |
| post_office_log                           |
| profile_detailedprofile                   |
| profile_profile                           |
| registration_registrationprofile          |
| share_anonymousshare                      |
| share_fileshare                           |
| share_orgfileshare                        |
| share_privatefiledirshare                 |
| share_uploadlinkshare                     |
| sysadmin_extra_userloginlog               |
| termsandconditions_termsandconditions     |
| termsandconditions_usertermsandconditions |
| two_factor_phonedevice                    |
| two_factor_staticdevice                   |
| two_factor_statictoken                    |
| two_factor_totpdevice                     |
| wiki_groupwiki                            |
| wiki_personalwiki                         |
+-------------------------------------------+
56 rows in set (0.00 sec)