In a relational database, the three basic operations used to develop useful sets of data are:


Answer:
A is the only answer that makes sense, although it is explained very poorly.
Answer:
Marcus would have to take an exam administered by the national council of examiners for engineering and surveying.
Explanation:
Civil engineers design, construct, and maintain projects regarding infrastructure. A civil engineer also looks after the systems in the public and private sectors like roads, buildings, and systems for water supply and sewage treatment.
In order to pursue a career in civil engineering, Marcus aims to work for the city council as a civil engineer. Therefore, he would have to take an exam administered by the national council of examiners for engineering and surveying.
Name = "Bob"
age = 50
print("The age of" , name , "is" , age)