Opening the paper…
Database Management Systems, End Term
Which among the following layers co-ordinates the application, processes commands, makes decisions and evaluations, and performs calculations? It also moves and processes data between the two surrounding layers.
Which among the following layers co-ordinates the application, processes commands, makes decisions and evaluations, and performs calculations? It also moves and processes data between the two surrounding layers. Figure from the original question paper Which of the following ACID properties guarantees that once a transaction completes successfully, the changes persist in the database?