# dnf module enable mysql
[...]
Enabling module streams:
 mysql                                                  8.4                                                          
[...]
Is this ok [y/N]: y
Complete!

# dnf module list
[...]
Red Hat Enterprise Linux 9 for x86_64 - AppStream (RPMs)
Name       Stream  Profiles                                   Summary                                                 
[...]
mysql      8.4 [e] api, client, filter, server [d]            MySQL Module                                            
[...]

# yum install perl-DBD-MySQL
Error: 
 Problem: package perl-DBD-MySQL-4.053-1.el9.x86_64 from rhel-9-for-x86_64-appstream-rpms requires libmysqlclient.so.21()(64bit), but none of the providers can be installed
  - package perl-DBD-MySQL-4.053-1.el9.x86_64 from rhel-9-for-x86_64-appstream-rpms requires libmysqlclient.so.21(libmysqlclient_21.0)(64bit), but none of the providers can be installed
  - cannot install the best candidate for the job
  - package mysql-libs-8.0.28-1.el9.x86_64 from codeready-builder-for-rhel-9-x86_64-rpms is filtered out by modular filtering
  - package mysql-libs-8.0.30-3.el9_0.x86_64 from codeready-builder-for-rhel-9-x86_64-rpms is filtered out by modular filtering
  - package mysql-libs-8.0.32-1.el9_2.x86_64 from codeready-builder-for-rhel-9-x86_64-rpms is filtered out by modular filtering
  - package mysql-libs-8.0.36-1.el9_3.x86_64 from codeready-builder-for-rhel-9-x86_64-rpms is filtered out by modular filtering
  - package mysql-libs-8.0.41-2.el9_5.x86_64 from codeready-builder-for-rhel-9-x86_64-rpms is filtered out by modular filtering
  - package mysql-libs-8.0.43-1.el9_6.x86_64 from codeready-builder-for-rhel-9-x86_64-rpms is filtered out by modular filtering
  - package mysql-libs-8.0.43-1.el9_6.x86_64 from rhel-9-for-x86_64-appstream-rpms is filtered out by modular filtering