DBMS-Physical Data Organization
DBMS-Physical Data Organization
41. In a block-level stripping, splitting of blocks is done across multiple disks and it treats the array of disks as a single large disk.
- TRUE
- FALSE
42. B+-tree index is a balanced tree in which the internal nodes direct the search operation and the leaf nodes contain the data entries.
- TRUE
- FALSE
43. If data are stored sequentially on a magnteic tape, they are ideal for:
- on-line applications
- batch processing applications
- spreadsheet applications
- decision-making applications.
44. Compared to the main memory, secondary memory is:
- costly
- volatile
- faster
- none of these
46. Which of the following is direct access processing method?
- relative addressing
- indexing
- hashing
- all of these
47. Compared to the main memory, secondary memory is:
- costly
- volatile
- faster
- none of these
48. A file contains the following that is needed for information processing:
- Knowledge
- Instructions
- data
- none of these
49. Which of the following is a valid file type?
- master file
- report file
- transaction file
- none of these
50. Which of the following stores data that is permanent in nature?
- transaction file
- master file
- report file
- none of these