| English | Romanian |
| CHECK constraint | restricția CHECK (A constraint that allows for business rules that span multiple tables. For example, the Order table could have a CHECK constraint that would prevent orders for a customer from exceeding a credit limit defined for the customer in the Customer table) |
| 2-element constraint | restricție de 2 elemente (A constraint that applies to two elements, such as two classes or two associations. The constraint is shown as a dashed arrow from one element to the other, labeled by the constraint string in braces ({ })) |
| flexible constraint | restricție flexibilă (A constraint that does not tie a task to a single date. Flexible constraints are As Soon As Possible, As Late As Possible, Finish No Earlier Than, Finish No Later Than, Start No Earlier Than, and Start No Later Than) |
| inflexible constraint | restricție inflexibilă (A constraint that ties a task to a date. The inflexible constraints are Must Finish On and Must Start On) |
| mandatory constraint | restricție obligatorie (A constraint that requires every instance of an object type's population to play that role. With a disjunctive mandatory role constraint, each member of the object type's population must play at least one of the roles indicated) |
| OR constraint | restricție de tip SAU (An indicator of a situation in which any instance of a class can participate in only one association at one time. The constraint is shown as a dashed line connecting two or more associations, which must have a class in common) |
| project constraint | restricție de proiect (A factor that will limit the project management team's options. For example, a predefined budget is a constraint that may limit the team's scope, staffing, and schedule options) |
| uniqueness constraint | restricție de unicitate (A constraint that prohibits repetition of individual data or combinations of data) |