Examlex
In an entity relationship diagram, the primary keys are denoted with:
Impulses
Sudden strong urges or desires to act without premeditation or reflection.
Electrocardiography
A medical test that measures the electrical activity of the heart to identify various heart conditions.
Stylus
A tool or device designed to input commands or write on a touchscreen display or graphics tablet.
Sketch
A rapidly executed freehand drawing that is not intended as a finished work, often used to visualize ideas.
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