61. What is database recovery? A. The process of restoring the database to a consistent state after a failure B. The process of optimizing the database C. The process of securing the database D. The process of normalizing the database
62. What is data independence? A. The ability to modify the schema at one level without affecting the schema at the next higher level B. The ability to access data without knowing the physical storage details C. The separation of data and programs D. All of the above