How to rebuild corrupted rpm database

We are getting these alerts because yum database is corrupted on these servers and script tried to execute below command in this step and through alert when it was not successful.

# rpm -qa | grep "[redhatsles]-release"

We can resolve it via below.

# yum list

Error >>

[root@system:/opt/ncsbin/secutil]#

#-> yum list

rpmdb: Thread/process 33524/140223957407648 failed: Thread died in Berkeley DB library

error: db3 error(-30974) from dbenv->failchk: DB_RUNRECOVERY: Fatal error, run database recovery

error: cannot open Packages index using db3 -  (-30974)

error: cannot open Packages database in /var/lib/rpm

CRITICAL:yum.main:

Error: rpmdb open failed

[root@system:/opt/ncsbin/secutil]#

How to rebuild corrupted RPM database. >> It can be done online without any downtime

# rm -f /var/lib/rpm/__db*

# rpm -–rebuilddb

# yum list    > Check again

# rpm -qa | grep "[redhatsles]-release"