SSD7完整答案

EX1 Part I 1. Identify the keys in your tables as follows. For this exercise, ignore the performance considerations while choosing your keys. 1. For each table, indicate the Primary Key(s) (PKs). If there is no PK, state so. Fully justify your answer. 2. For each table, indicate the Alternate Key(s) (AKs). If there is no AK, state so. Fully justify your answer.

Recommended Exercise 4

class Car{ private: string licensePlate; int numOfTimes; 全部是正确的

SSD5 OptionalExercise2

loadworkload(file);//读取文件 if (workload.empty()) //判断栈是否为空 { cout << "\n\tThe queue is empty\n"; } else { cout << "\n\nFIFO Simulaton\n\n"; 全都是正确的