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Consider the following SQL statement:
SELECT DISTINCT department FROM employees;
What will be the result of this query?
  • a)
    All distinct departments in the "employees" table
  • b)
    An error will occur because of incorrect usage of the DISTINCT keyword
  • c)
    No result will be returned because of incorrect syntax
  • d)
    It depends on the existing data in the "employees" table
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Consider the following SQL statement:SELECT DISTINCT department FROM e...
The DISTINCT keyword is used to retrieve only distinct values of a column in the query result.
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Most Upvoted Answer
Consider the following SQL statement:SELECT DISTINCT department FROM e...

Explanation:

SELECT DISTINCT department FROM employees;

This SQL statement retrieves all distinct values from the "department" column in the "employees" table.

Result:

The result of this query will be all distinct departments listed in the "employees" table. The query will eliminate duplicate values and only return unique departments.

Explanation of Options:

- Option a: All distinct departments in the "employees" table - This is the correct answer as explained above.
- Option b: An error will occur because of incorrect usage of the DISTINCT keyword - The usage of DISTINCT in the query is correct, so this option is incorrect.
- Option c: No result will be returned because of incorrect syntax - The syntax of the query is correct, so this option is incorrect.
- Option d: It depends on the existing data in the "employees" table - The result of the query will solely depend on the data present in the "employees" table, but the query itself is valid.

In conclusion, the SQL query will return all distinct departments from the "employees" table, eliminating any duplicate entries.
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Consider the following SQL statement:SELECT DISTINCT department FROM employees;What will be the result of this query?a)All distinct departments in the "employees" tableb)An error will occur because of incorrect usage of the DISTINCT keywordc)No result will be returned because of incorrect syntaxd)It depends on the existing data in the "employees" tableCorrect answer is option 'A'. Can you explain this answer?
Question Description
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