Idea of Delete Database Icon
It's a symbol with a small stack of coins or coin shaped objects with a minus symbol at the bottom corner. The minus symbol most likely represents a withdrawal or loss of the coins.
This Delete Database icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 6,200 icons, all in the same style and quality.