Question

explain the distinction between condition-defined and user-defined constraints

Answer 1

Condition defined is the constraint which is already defined by the computer, while user defined is the constraint which is manually added

Answer 2

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Here's your Answer...

In a condition defined design constraint, membership in the lower level entity-sets is evaluated on the basis of whether or not an entity satisfies an explicit condition or predicate.User-defined lower-level entity sets are not constrained by a membership condition.
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