The definition of a constraint is something that imposes a limit or restriction or that prevents something from occurring. An example of a constraint is the fact that there are only so many hours in a day to accomplish things. noun.

What are 5 types of constraints?

• Domain constraint.
• Tuple Uniqueness constraint.
• Key constraint.
• Entity Integrity constraint.
• Referential Integrity constraint.

What are the four types of constraints?

Managing the Project Constraints Every project has to manage four basic constraints: scope, schedule, budget and quality. The success of a project depends on the skills and knowledge of the project manager to take into consideration all these constraints and develop the plans and processes to keep them in balance.