Answer:
C. physical design phase
Step-by-step explanation:
Physical design phase -
In computers and technology , a physical design phase refers to the process of collecting data in the logical design phase into a description of the physical database which consists of both constraints and tables , is referred to as physical design phase.
This very phase have a huge impact on the query performance.
Hence, from the given statement of the question,
The correct term is C. physical design phase .