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DA0-002 · Question #67
DA0-002 Question #67: Real Exam Question with Answer & Explanation
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Data Acquisition and Preparation
Question
The human resources department wants to know the number of employees who earn $125,000 or more. However, the department is concerned about duplicates in the dataset. Given the following table: Which of the following SQL statements resolves this issue?
Options
- ASELECT DISTINCT Employee_ID FROM Employee WHERE Salary >= 125000
- BSELECT COUNT(DISTINCT Employee_ID) FROM Employee WHERE Salary >= 125000
- CSELECT DISTINCT Employee_ID FROM Employee WHERE Salary > 125000
- DSELECT COUNT(Employee_ID) FROM Employee WHERE Salary >= 125000
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Topics
#SQL Queries#Data Aggregation#DISTINCT Keyword#Filtering Data