The Employees table contains repeat entries in the JobTitle column, as many employees share the same job title.Which code snippet ensures that a query will list each job title once, independent of how many times it appears in the JobTitle column?SELECT JobTitle = 1SELECT UNIQUE JobTitleSELECT COUNT(JobTitle) = 1
Question
The Employees table contains repeat entries in the JobTitle column, as many employees share the same job title.Which code snippet ensures that a query will list each job title once, independent of how many times it appears in the JobTitle column?SELECT JobTitle = 1SELECT UNIQUE JobTitleSELECT COUNT(JobTitle) = 1
Solution
The correct SQL code snippet to list each job title once, regardless of how many times it appears in the JobTitle column, is:
SELECT DISTINCT JobTitle FROM Employees;
This code uses the DISTINCT keyword, which ensures that each job title is listed only once in the query results.
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