installing mysql on oracle enterprise linux (OEL 5.4)

[root@sekhar my_sql]# rpm -ivh mysql57-community-release-el5-8.noarch.rpm
warning: mysql57-community-release-el5-8.noarch.rpm: Header V3 DSA signature: NO                                                                                       KEY, key ID 5072e1f5
Preparing...                ########################################### [100%]
   1:mysql57-community-relea########################################### [100%]
[root@sekhar my_sql]# mysql
-bash: mysql: command not found
[root@sekhar my_sql]# yum install mysql mysql-server -y
Loaded plugins: security
mysql-connectors-community                               | 2.4 kB     00:00
mysql-connectors-community/primary_db                    | 7.2 kB     00:00
mysql57-community                                        | 2.5 kB     00:00
mysql57-community/primary_db                             |  68 kB     00:00
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package mysql.i686 0:5.7.18-1.el5 set to be updated
--> Processing Dependency: mysql-community-libs-compat >= 5.7.9 for package: mys                                                                                       ql
--> Processing Dependency: mysql-community-libs >= 5.7.9 for package: mysql
--> Processing Dependency: mysql-community-client >= 5.7.9 for package: mysql
---> Package mysql-community-server.i686 0:5.7.18-1.el5 set to be updated
--> Processing Dependency: mysql-community-common = 5.7.18-1.el5 for package: my                                                                                       sql-community-server
--> Running transaction check
---> Package mysql-community-client.i686 0:5.7.18-1.el5 set to be updated
---> Package mysql-community-common.i686 0:5.7.18-1.el5 set to be updated
---> Package mysql-community-libs.i686 0:5.7.18-1.el5 set to be updated
---> Package mysql-community-libs-compat.i686 0:5.7.18-1.el5 set to be updated
--> Finished Dependency Resolution

Dependencies Resolved

================================================================================
 Package                       Arch   Version         Repository           Size
================================================================================
Installing:
 mysql                         i686   5.7.18-1.el5    mysql57-community    40 k
 mysql-community-server        i686   5.7.18-1.el5    mysql57-community   225 M
Installing for dependencies:
 mysql-community-client        i686   5.7.18-1.el5    mysql57-community    30 M
 mysql-community-common        i686   5.7.18-1.el5    mysql57-community   813 k
 mysql-community-libs          i686   5.7.18-1.el5    mysql57-community   2.8 M
 mysql-community-libs-compat   i686   5.7.18-1.el5    mysql57-community   2.1 M

Transaction Summary
================================================================================
Install      6 Package(s)
Update       0 Package(s)
Remove       0 Package(s)

Total download size: 261 M
Downloading Packages:
(1/6): mysql-5.7.18-1.el5.i686.rpm                       |  40 kB     00:00
(2/6): mysql-community-common-5.7.18-1.el5.i686.rpm      | 813 kB     00:02
(3/6): mysql-community-libs-compat-5.7.18-1.el5.i686.rpm | 2.1 MB     00:04
(4/6): mysql-community-libs-5.7.18-1.el5.i686.rpm        | 2.8 MB     00:04
(5/6): mysql-community-client-5.7.18-1.el5.i686.rpm      |  30 MB     01:06
(6/6): mysql-community-server-5.7.18-1.el5.i686.rpm                                                                                             | 225 MB     11:32
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total                                                                                                                                  346 kB/s | 261 MB     12:52
warning: rpmts_HdrFromFdno: Header V3 DSA signature: NOKEY, key ID 5072e1f5
mysql57-community/gpgkey                                                                                                                        |  27 kB     00:00
Importing GPG key 0x5072E1F5 "MySQL Release Engineering <mysql-build@oss.oracle.com>" from /etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing     : mysql-community-libs                                                                                                                            1/6
  Installing     : mysql-community-client                                                                                                                          2/6
  Installing     : mysql-community-common                                                                                                                          3/6
  Installing     : mysql-community-libs-compat                                                                                                                     4/6
  Installing     : mysql                                                                                                                                           5/6
  Installing     : mysql-community-server                                                                                                                          6/6

Installed:
  mysql.i686 0:5.7.18-1.el5                                                 mysql-community-server.i686 0:5.7.18-1.el5

Dependency Installed:
  mysql-community-client.i686 0:5.7.18-1.el5                 mysql-community-common.i686 0:5.7.18-1.el5            mysql-community-libs.i686 0:5.7.18-1.el5
  mysql-community-libs-compat.i686 0:5.7.18-1.el5

Complete!
[root@sekhar my_sql]#