Which statements are true regarding table compression？（）
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:
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