[Solved] You wrote this procedure to update a user's email:CREATE PROCEDURE updateEmail(userId INT, newEmail VARCHAR(100)) BEGIN UPDATE users SET email = newEmail WHERE id = userId;... | SQL

SQL - Stored Procedures and Functions

You wrote this procedure to update a user's email:

CREATE PROCEDURE updateEmail(userId INT, newEmail VARCHAR(100)) BEGIN UPDATE users SET email = newEmail WHERE id = userId; END;

When you try to call it with SELECT updateEmail(1, 'test@example.com');, you get an error. What is the problem?

AProcedures cannot be called inside SELECT statements.

BThe procedure is missing a RETURN statement.

CThe UPDATE statement syntax is incorrect.

DThe procedure parameters must be declared as OUT.

Step-by-Step Solution

Solution:

Step 1: Understand procedure usage
Procedures perform actions but do not return values and cannot be called inside SELECT queries.
Step 2: Identify error cause
Calling a procedure with SELECT causes error because procedures are invoked with CALL, not SELECT.
Final Answer:
Procedures cannot be called inside SELECT statements. -> Option A
Quick Check:
Use CALL for procedures, not SELECT [OK]

Quick Trick: Call procedures with CALL, not SELECT [OK]

Common Mistakes:

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You wrote this procedure to update a user's email: