The icon is a cylinder of three 3-d discs stacked on top of each other. Each disk is the same size. In front of the disks, and partially obscuring the right of the bottom two disks is a circle with a check mark in the center of it.
Related to Database View Icon
Related icons are the icons with matching tags, as well as all data icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors