15073. Which tools are used to modify online database systems ?

By Admin / September 13, 2025

A. Reverse engineering specification tools

B. Code restructuring and analysis tools

C. Test management tools

D. online system re-engineering tools

✅ The correct answer is option D.
Explanation: For example these tools convert IDMS or DB2 files into entity-relationship format.

15053. The balancing of a rigid rotor can be achieved by appropriately placing balancing masses in

307. To make the number pad act as a directional arrow, we press ______________________?

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