Examlex
One property of a relation is that each attribute within a relation has a unique name.
Page File
A single block of memory space, 4 KB in size, used to store files that may also retrieve a file located on a disk.
Virtual Memory
A memory management capability of an operating system that uses hardware and software to allow a computer to compensate for physical memory shortages, temporarily transferring data from random access memory (RAM) to disk storage.
DIMM
Dual In-line Memory Module, a series of random-access memory modules that provide a computer's processor with the temporary data storage it needs to operate.
Physical RAM
Refers to the actual hardware memory modules installed in a computer used to temporarily store data for quick access by the processor.
Q22: The _ command enables one to change
Q25: Expressions are mathematical manipulations of data in
Q28: Explain how to combine queries using the
Q30: The _ rule states that an entity
Q52: _ distributes the columns of a table
Q64: Describe how subtype discriminators are used when
Q72: Which of the following is true with
Q99: Denormalization is the process of transforming normalized
Q127: One disadvantage of file processing systems is:<br>A)
Q165: Organizations that utilize the file processing approach