A: It saves disk space and reduces memory usage.
B: It saves disk space but has no effect on memory usage.
C: It incurs extra CPU overhead during DML as well as direct loading operations.
D: It incurs extra CPU overhead during DML but not direct loading operations.
E: It requires uncompress operation during I/
F:
举一反三
- Which statements are true regarding table compression？（） A: A It saves disk space and reduces memory usage. B: B It saves disk space but has no effect on memory usage. C: C It incurs extra CPU overhead during DML as well as direct loading operations. D: D It incurs extra CPU overhead during DML but not direct loading operations. E: E It requires uncompress operation during I/O.
- 121. ____is known as a long hatch during loading operation.
- 智慧职教: What does theISSmean during the ARQ operations?
- A hard disk with ___________ space
- Which of the followings is not the usage of lexical metaphor in scientific literature?( ) A: output width B: rail bed C: sunflower disk
内容
- 0
Manufacturing overhead includes direct materials, direct labor and other manufacturing costs.
- 1
Comparing with programmed I/O, interrupt-driven I/O further raises the usage rate of CPU operations, because __________ A: it isn’t necessary for CPU to save and restore scene B: it isn’t necessary for CPU to intervene the dada transfer C: it isn’t necessary for CPU to read and check status repeatedly D: both A and B
- 2
Manufacturing overhead includes all manufacturing costs except direct materials and direct labor.
- 3
About the usage of the second or third person, which of the following statements are TRUE?
- 4
A firm has to pay a 20c per unit royalty to the inventor of a device which it manufactures and sells.How would the royalty charge be classified in the firm's accounts? A: Selling expense B: Direct expense C: Production overhead D: Administrative overhead