عقود البيانات

في هذا الدرس

make the agreement between a producer and its consumers explicit and checkable.

الموضوعات المخطط لها

• A data contract states schema, semantics (what each field means), quality rules, and service levels.
• Semantics matter most: "order_total" including tax or not is the usual dispute.
• Version contracts and give notice before breaking changes.
• Check contracts automatically at the producer's pipeline, not after consumers break.