Q.
1
| List I (Explanation) | List II(Term) |
| (a) It involves using the version of master file and the update transactions used to create the current file to recreate the current master file if it becomes damaged. | (i) Audit trail controls |
| (b) it involves copying the whole or portion of the data-base to some back up medium, typically magnetics tape. | (ii) Dumping |
| (c) It stores current and historical data extracted from various operations systems and consolidates for management reporting and analysis | (iii) Grandfather, Father, Son |
| (d) It maintains the chronology of events that occur either to the database definition or the database itself | (iv) Date warehousing for accounting |
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A
(a) (b) (c) (d) 3 2 4 1 -
B
3 1 2 4 -
C
1 3 2 4 -
D
4 3 2 1