Which of the following defines heterogeneous distributed database?
Same DBMS is used at each location but data are not distributed across all nodes
Same DBSM is used at each location with data distributed across all nodes
Different DBSM is used at each location and data are not distributed across all nodes
Different DBSM is used at each location and data are distributed across all nodes
Correct answer is A
No explanation has been provided for this answer.
The prevention of data from corruption and unauthorized access is a function of data
Security
Secrecy
Intergrity
Coding
Correct answer is A
No explanation has been provided for this answer.
Direct
Indexed
Batch
Sequential
Correct answer is B
No explanation has been provided for this answer.
I, II, III
II, I, III
III, II, I
I, III, II
Correct answer is C
No explanation has been provided for this answer.
Relational model
Network model
Hierarchical model
File model
Correct answer is A
No explanation has been provided for this answer.