Database connection
- Choose database and click 'next'.
 - Enter connection and query details:
- give the Tab a name
 - choose DB type
 - enter the database host by name or IP address
 - if needed enter a custom port (default: 3306 for MySQL, 5432 for Postgres, 1433 for MSSQL)
 - enter the database name and the corresponding credentials
 - press 'test' to test the connection
 - if connection is 'OK', enter a query (e.g. select * from Accounts)
 - press test and check the results, first two rows (header and data) will be shown as sample data
 - click 'next'
 
 - Please select the correct columns for the list view (will be shown when selecting the tab), order if needed and click 'next'.
 - Now, select the columns for the detail view. These will be shown when selecting a record. Click 'next'.
 - Select the most distinguishing columns, these will be 'more important' when ranking. Click 'next'.
 - Select how often the data needs to be refreshed. Click 'next'.
 - Select which column is most useful for faceting. Click 'next'.
 - And you're done.