MCQs > Aviation & Aerospace > Air Traffic Control > Analyze the following code used to update a Common Table Expression: USE demodb GO DECLARE @a TABLE (ID int, Value int); DECLARE @b TABLE (ID int, Value int); INSERT @a VALUES (1, 10), (2, 20); INSERT @b VALUES (1, 100),(2, 200); WITH cte AS (SELECT * FROM @a) UPDATE cte SET Value = b.Value FROM cte AS a INNER JOIN @b AS b ON b.ID = a.ID SELECT * FROM @a GO What Will be the output of the above code?

Air Traffic Control MCQs

Analyze the following code used to update a Common Table Expression:
USE demodb
GO
DECLARE @a TABLE (ID int, Value int);
DECLARE @b TABLE (ID int, Value int);
INSERT @a VALUES (1, 10), (2, 20);
INSERT @b VALUES (1, 100),(2, 200);
WITH cte AS (SELECT * FROM @a)
UPDATE cte
SET Value = b.Value
FROM cte AS a
INNER JOIN @b AS b ON b.ID = a.ID
SELECT * FROM @a
GO
What Will be the output of the above code?

Answer

Correct Answer:

Explanation:

Note: This Question is unanswered, help us to find answer for this one

Air Traffic Control Skill Assessment

Overall Skill Level-Poor

Your Skill Level: Poor

Retake Quizzes to improve it

search

Air Traffic Control Skill Assessment

Overall Skill Level-Poor

Your Skill Level: Poor

Retake Quizzes to improve it