title: Can Database be count as actor in use case diagram?
body: <p>I am creating application for Diabetes log system. I am confused whether database in UML -Use case diagram count as actor or not ? </p>
  
  <p>the application is recording the diabetes glucose reading which will be saved in firebase and it can also retrieve the readings for showing the progress in chart format. </p>
  
  <p>please can someone help me? </p>
  
  <p>thank you. </p>