This is the 12807th most frequent Korean word.
데이터베이스를
"데이터베이스를" means "database" (accusative form in a sentence).
In this sentence, '데이터베이스를' is the object of the verb '관리하는', indicating that managing is being done to the database.
데이터베이스를 관리하는 것은 중요한 일입니다.
Managing the database is an important task.
Here, '데이터베이스를' serves as the object of '업데이트하다', showing that the action of updating is being directed towards the database.
데이터베이스를 업데이트해야 합니다.
We need to update the database.
In this example, '데이터베이스를' is the object of '구축하다', signifying that the database is what is being constructed.