doubt in installing Appian 18.3

 Hi All,

i doing fresh installtion 18.3 on server. I am just following 18.3 installation guide but here i have one doubt : 

as per the link (https://docs.appian.com/suite/help/18.3/Configuring_Relational_Databases.html#troubleshooting) what are changes i need to make in the xml file ?

i updated the username & password(hascode generated by running the script). Apart from this anything else i need to make changes? 

below are the file available in 

/repo_home/tomcat 

:

tomcatResources.xml.dev 

<Resource name="jdbc/AppianDS"
factory="com.appiancorp.tomcat.datasource.EncodedPasswordDataSourceFactory"
type="javax.sql.DataSource"
driverClassName="com.mysql.jdbc.Driver"
url="jdbc:mysql://localhost:3306/primary_appian?useOldAliasMetadataBehavior=true&amp;useUnicode=true&amp;characterEncoding=utf8"
username=""
password=""
initialSize="5"
maxTotal="100"
defaultTransactionIsolation="READ_COMMITTED"
maxWaitMillis="30000"
minIdle="5"
minEvictableIdleTimeMillis="90000"
timeBetweenEvictionRunsMillis="450000"
numTestsPerEvictionRun="100"
accessToUnderlyingConnectionAllowed="true"
validationQuery="SELECT 1"
testOnBorrow="true"
/>

Regards

Abhay