Uninstalling Vertica
Choose a host machine and log in as root (or log in as another user and switch to root).
	For each host in the cluster:
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Choose a host machine and log in as root (or log in as another user and switch to root). $ su - root password: root-password
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Find the name of the package that is installed: RPM # rpm -qa | grep verticaDEB # dpkg -l | grep vertica
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Remove the package: RPM # rpm -e packageDEB # dpkg -r package
Note
If you want to delete the configuration file used with your installation, you can choose to delete the/opt/vertica/ directory and all subdirectories using this command: # rm -rf /opt/vertica/
For each client system:
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Delete the JDBC driver jar file. 
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Delete ODBC driver data source names. 
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Delete the ODBC driver software: - 
In Windows, go to Start > Control Panel > Add or Remove Programs. 
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Locate Vertica. 
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Click Remove. 
 
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