noun
master data
Computing term for core business data that is shared across systems, such as customer or product information.
マスターデータを更新しないと、システム間で不整合が起きる。
If you don't update the master data, inconsistencies will occur between systems.
Variant with interpunct; less common in running text.
Transactional data records business events, while master data defines the core entities.
Borrowed from English 'master data'.