A Venn diagram uses overlapping circles or ellipses to visually represent the relationships among multiple sets. It provides an intuitive way to understand set operations such as union, intersection, difference, and complement, and is applied in areas such as database query design.

Past questions testing this term · 1 questions

• 2017h29a #98次のペン図の網掛けした部分の検索条件はどれか。 ![p038_img-3.jpeg](../figures/2017h29a_ip_qs/p038_img-3.…