[Solved] Identify the error in this SQL query using INNER JOIN with aliases: SELECT e.name, d.department FROM employees e INNER JOIN departments d ON e.dept_id = d.idd; | SQL

SQL - INNER JOIN

Identify the error in this SQL query using INNER JOIN with aliases:

SELECT e.name, d.department FROM employees e INNER JOIN departments d ON e.dept_id = d.idd;

AAlias 'e' is not defined.

BMissing AS keyword for aliases.

CColumn 'idd' does not exist in departments table.

DINNER JOIN should be LEFT JOIN.

Step-by-Step Solution

Solution:

Step 1: Check alias definitions
Aliases 'e' and 'd' are correctly defined for employees and departments.
Step 2: Verify join condition columns
Column 'idd' in departments does not exist; likely a typo for 'id'.
Final Answer:
Column 'idd' does not exist in departments table. -> Option C
Quick Check:
Incorrect column name in ON clause causes error [OK]

Quick Trick: Check column names in ON clause carefully [OK]

Common Mistakes:

MISTAKES

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