Technology Executive Interview Questions

439 technology executive interview questions shared by candidates

How do you retrieve all columns from a table named "employees"? What is the purpose of the SELECT statement? Write a query to calculate the average salary of employees in a table named "salaries". What is a subquery, and how is it different from a JOIN? Provide an example. What is a stored procedure, and how can it be beneficial in a database environment? How do you optimize a slow-performing SQL query? Can you explain how to remove duplicate records from a table in SQL?
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IT Executive

Interviewed at Sime Darby Industrial

3.4
Apr 25, 2024

How do you retrieve all columns from a table named "employees"? What is the purpose of the SELECT statement? Write a query to calculate the average salary of employees in a table named "salaries". What is a subquery, and how is it different from a JOIN? Provide an example. What is a stored procedure, and how can it be beneficial in a database environment? How do you optimize a slow-performing SQL query? Can you explain how to remove duplicate records from a table in SQL?

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