anchor.diff:  
   PostgreSQL is an open-source *Object-relational database system* and provides good performance with low maintenance efforts because of its high stability. The Kill Bill core team uses *MySQL*, but we also run regression tests against *MariaDB 10* and *PostgreSQL 12*. This document has detailed instructions to setup PostgreSQL with Kill Bill and Kaui.
   
  +== PostgreSQL Kill Bill Configuration
   
  -In order to configure PostgreSQL, you need to follow the steps given below (These steps can be executed either via the command line *psql* tool or via *pgAdmin*):
  +In order to configure PostgreSQL with Kill Bill, you need to follow the steps given below (These steps can be executed either via the command line *psql* tool or via *pgAdmin*):
   
   . Create a user corresponding to Kill Bill. You can run the following command :
   [source,sql]
  
positive.code:   kaui.db.username=killbilluser
    kaui.db.password=killbill
  
  .  Set the DB adapter to override for PostgreSQL instead of the defaut Mysql in catalina.properties  :
  [source,properties]
    kaui.db.adapter=postgresql
negative.code: [source,sql]
    GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA killbillschema TO killbilluser;
  
  == PostgreSQL Kaui Configuration
  
  In order to configure PostgreSQL, you need to follow the steps given below (These steps can be executed either via the command line *psql* tool or via *pgAdmin*):
  
  