Crucial Exams

CompTIA Tech+ FC0-U71 Practice Question

You have been tasked with modifying the structure of an existing employee database to add a new column named 'PhoneNumber' that will store the employees' contact numbers. Which SQL command should you use to accomplish this task?

  • ALTER TABLE Employees ADD COLUMN PhoneNumber VARCHAR(10);

  • MODIFY TABLE Employees ADD COLUMN PhoneNumber VARCHAR(10);

  • CREATE TABLE Employees ADD PhoneNumber VARCHAR(10);

  • UPDATE Employees SET PhoneNumber VARCHAR(10);

CompTIA Tech+ FC0-U71
Data and Database Fundamentals
Your Score:
Settings & Objectives
Random Mixed
Questions are selected randomly from all chosen topics, with a preference for those you haven’t seen before. You may see several questions from the same objective or domain in a row.
Rotate by Objective
Questions cycle through each objective or domain in turn, helping you avoid long streaks of questions from the same area. You may see some repeat questions, but the distribution will be more balanced across topics.

Check or uncheck an objective to set which questions you will receive.

Wipe Score
Bash, the Crucial Exams Chat Bot
AI Bot