 ratings database"><a href=#bookinfo-sample-application-with-external-ratings-database>Bookinfo sample application with external ratings database</a><ol><li role=none aria-label="Setting up the database for ratings data"><a href=#setting-up-the-database-for-ratings-data>Setting up the database for ratings data</a><li role=none aria-label="Initial setting of Bookinfo application"><a href=#initial-setting-of-bookinfo-application>Initial setting of Bookinfo application</a><li role=none aria-label="Use the data