libqt4-sql-dbgsym 4:4.8.7+dfsg-5ubuntu2 (armhf binary) in ubuntu xenial

 Qt is a cross-platform C++ application framework. Qt's primary feature
 is its rich set of widgets that provide standard GUI functionality.
 .
 The QtSql module helps you provide seamless database integration to your Qt
 applications.
 .
 If you wish to use the SQL module for development, you should install the
 libqt4-dev package.