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Which of the following statements is true?The WHEN clause of a CASE statement ends with a semicolon.The WHEN clause of a CASE statement ends with “END CASE;”.The WHEN clause of a CASE expression does not end with a semicolon.The WHEN clause of a CASE statement ends with “ENDCASE”.

Question

Which of the following statements is true?The WHEN clause of a CASE statement ends with a semicolon.The WHEN clause of a CASE statement ends with “END CASE;”.The WHEN clause of a CASE expression does not end with a semicolon.The WHEN clause of a CASE statement ends with “ENDCASE”.

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Solution

The true statement is: "The WHEN clause of a CASE expression does not end with a semicolon."

Here's a step-by-step explanation:

  1. In SQL, the CASE statement is used to perform conditions in SQL queries. It works like an IF-THEN-ELSE statement.

  2. The syntax of a CASE statement in SQL does not require a semicolon (;) at the end of each WHEN clause. Instead, the semicolon is used at the end of the entire CASE statement.

  3. The CASE statement ends with the keyword END, not "END CASE;" or "ENDCASE".

So, the correct format of a CASE statement in SQL is:

CASE
   WHEN condition1 THEN result1
   WHEN condition2 THEN result2
   ...
   ELSE result
END;

As you can see, the WHEN clause does not end with a semicolon, but the entire CASE statement does.

This problem has been solved

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