vault.centos.org/6.6/SCL/x86_64/mysql55 :
mysql55-build-1.1-23.el6.centos.alt.x86_64.rpm
mysql55-mysql-5.5.37-5.el6.centos.alt.x86_64.rpm
mysql55-mysql-5.5.40-1.el6.centos.alt.x86_64.rpm
mysql55-mysql-5.5.41-2.el6.centos.alt.x86_64.rpm
mysql55-mysql-bench-5.5.37-5.el6.centos.alt.x86_64.rpm
mysql55-mysql-bench-5.5.40-1.el6.centos.alt.x86_64.rpm
mysql55-mysql-bench-5.5.41-2.el6.centos.alt.x86_64.rpm
mysql55-mysql-devel-5.5.37-5.el6.centos.alt.x86_64.rpm
mysql55-mysql-devel-5.5.40-1.el6.centos.alt.x86_64.rpm
mysql55-mysql-devel-5.5.41-2.el6.centos.alt.x86_64.rpm
mysql55-mysql-libs-5.5.37-5.el6.centos.alt.x86_64.rpm
mysql55-mysql-libs-5.5.40-1.el6.centos.alt.x86_64.rpm
mysql55-mysql-libs-5.5.41-2.el6.centos.alt.x86_64.rpm
mysql55-mysql-server-5.5.37-5.el6.centos.alt.x86_64.rpm
mysql55-mysql-server-5.5.40-1.el6.centos.alt.x86_64.rpm
mysql55-mysql-server-5.5.41-2.el6.centos.alt.x86_64.rpm
mysql55-mysql-test-5.5.37-5.el6.centos.alt.x86_64.rpm
mysql55-mysql-test-5.5.40-1.el6.centos.alt.x86_64.rpm
mysql55-mysql-test-5.5.41-2.el6.centos.alt.x86_64.rpm
mysql55-runtime-1.1-23.el6.centos.alt.x86_64.rpm
mysql55-scldevel-1.1-23.el6.centos.alt.x86_64.rpm