Web Developer Mock Interview
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Question 3 of 30
How would you write an SQL statement that would select only customers who made multiple orders within a single week?
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William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
"SQL queries are relatively easy to write. However, to do so, the developer needs to be familiar with several elements of the data tables with which they are working. These include the name of the table, the name of the field containing the data, and the data elements involved in the query. You then use statements such as Select, From, and Where to structure the SQL query."
William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
This is a specific technical question in which the interviewer is asking you how to structure a piece of code. As a web developer, you may be asked actually to write code during the interview. This rarely occurs during a live interview, but you may be given a sign and liked this either before after, or as a separate element of the interview process. You should be prepared for this and may want to bring some materials to the interview that will help you comply with this request.
William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
"To write the code for the query that you have just described, I would need to know the names of the tables, the fields, and other details of the information you are seeking. I would then structure an SQL quarry using Select, From, and Where statements."
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