Date of Birth:April 13 1976 Dana was Adam's first girlfriend. She moved to Seattle and even though they tried long distance, they broke up.
Dana is a kind girl, however, Beverly does not really like Dana, as she is jealous that Adam spends time with her more than he spends time with Beverly, not because she is unkind. It is also hinted that Dana has mixed feelings towards Beverly. In season 3, when she moves to Seattle, Beverly has a nicer attitude towards her as she can not see Adam all the time.
In "Goldbergs Feel Hard", it is revealed that Dana has a father. It has also been mentioned many times that Dana and Adam are boyfriend and girlfriend.