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Vector stencils

Vector stencils
Vector stencils, xor constraint, value, ORM diagrams, object-role modeling, uniqueness constraint, unary predicate, ternary predicate, ternary relationship, subtype connector, subset constraint, roundrect box, role connector, ring symbol, ring constrain, right uniqueness constraint, quaternary predicate, primary uniqueness constraint, middle uniqueness constraint, mandatory role connector, mandatory constraint, left uniqueness constraint, index annotation, frequency constraint, external uniqueness constraint, external subset constraint, external primary constraint, external equality constraint, exclusion frequency constraint, exclusion constraint, equality constraint, entity, ORM diagrams, object-role modeling, disjunctive mandatory constraint, constraint connector, binary predicate, binary association, binary predicate vertical,

Design elements - ORM diagram