For MSSQL or PostgreSQL installations, each connection to a database server instance requires a data source connection to
               either the master database (MSSQL) or the postgres database (PostgreSQL). 
               	 
            
 
            	 
             Specify the ODBC driver setup for the postgres database: 
               	 
            
 
            	 
            
               
Configuring in a Windows environment
               		
               	 
            
            	 
            
               		
                
                  		  
                  -  In the 
                     			 Data Source field, type 
                     			 Database. 
                     		  
                  
-  In the 
                     			 Description field, type a description for your cross-region database. In this case, type 
                     			 Postgres Database. 
                     		  
                  
-  In the 
                     			 Database field, type 
                     			 postgres. 
                     		  
                  
-  In the 
                     			 SSL Mode field, select 
                     			 disable. 
                     		  
                  
-  In the 
                     			 Server field, type the location of the PostgreSQL server. In this case, type 
                     			 localhost. 
                     		  
                  
-  In the 
                     			 Port field, type the port number to connect to the PostgreSQL server. In this case, it will be the default port, type 
                     			 5432. 
                     		  
                  
-  In the 
                     			 User Name field, type 
                     			 postgres. 
                     		  
                  
-  In the 
                     			 Password field, type the postgres user's password. 
                     		  
                  
- Click 
                     			 Save. 
                     		  
                  
  
            	 
            
               
Configuring in a UNIX environment 
               		
               	 
            
            	 
            
               		
                Open the 
                  		  .odbc.ini configuration file and add an entry for the PostgreSQL postgres data source:
                  		
               
 
               		[PG.MASTER]
Driver = <driver-name>
Servername = <server-name>
port = <port-no>
Database = postgres
               		 where:
                  		
               
               		
               
                  		  
                  			 
                  - <driver-name>
                     			 
                  
- Specifies the name of the driver as configured in the 
                     				odbcinst.ini file; in the example above, that would be PostgreSQL.
                     			 
                  
- <server-name>
                     			 
                  
- Specifies the name of the server on which the database instance resides.
                     			 
                  
- <port-no>
                     			 
                  
- Specifies the port on which the database is listening, typically 5432.
                     			 
                  
- postgres
                     			 
                  
- Specifies the name of the default database supplied with the PostgreSQL server.