[Solved] Given the procedure below, what will be the output when calling CALL ShowMessage();?CREATE PROCEDURE ShowMessage() BEGIN SELECT 'Hello, World!' AS Greeting; END; | SQL

SQL - Stored Procedures and Functions

Given the procedure below, what will be the output when calling CALL ShowMessage();?

CREATE PROCEDURE ShowMessage()
BEGIN
  SELECT 'Hello, World!' AS Greeting;
END;

ANo output, procedure does nothing

BAn error because procedures cannot return SELECT results

CA message printed to console but no result set

DA result set with column Greeting and value 'Hello, World!'

Step-by-Step Solution

Solution:

Step 1: Analyze the procedure body
The procedure runs a SELECT statement that returns a string labeled as Greeting.
Step 2: Understand procedure output
Calling the procedure executes the SELECT and returns a result set with one row and one column Greeting containing 'Hello, World!'.
Final Answer:
A result set with column Greeting and value 'Hello, World!' -> Option D
Quick Check:
Procedure SELECT returns result set = A result set with column Greeting and value 'Hello, World!' [OK]

Quick Trick: SELECT inside procedure returns result set when called [OK]

Common Mistakes:

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Given the procedure below, what will be the output when calling CALL ShowMessage();?