【单选题】Data are transferred between main memory and the disk surface by ______ at a time.
【单选题】数据字典是对数据定义信息的集合,它所定义的对象都包含于()
【单选题】数据字典是对数据定义信息的集合,它所定义的对象都包含于
【单选题】We know a computer is a machine that processes data(stored in main memory)into information, under control of a stored program. We also know that, internally, a computer is a binary machine; thus the d...
【单选题】In DRDBMSs, each data access has to go to the _____ to make sure data is still in main memory.
【单选题】_____ is a database management system that primarily relies on main memory for computer data storage.
A.
A disk resident database management system
C.
A main memory database system