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Identify the error in this query:

medium📝 Debug Q6 of 15
SQL - INNER JOIN
Identify the error in this query:
SELECT * FROM Orders INNER JOIN Customers Orders.customer_id = Customers.customer_id;
AUsing INNER JOIN instead of LEFT JOIN
BMissing ON keyword before join condition
CIncorrect table names
DMissing WHERE clause
Step-by-Step Solution
Solution:
  1. Step 1: Check INNER JOIN syntax

    INNER JOIN requires ON keyword before specifying join condition.
  2. Step 2: Identify missing ON keyword

    The query lacks ON before 'Orders.customer_id = Customers.customer_id', causing syntax error.
  3. Final Answer:

    Missing ON keyword before join condition -> Option B
  4. Quick Check:

    INNER JOIN needs ON keyword [OK]
Quick Trick: Always include ON before join condition in INNER JOIN [OK]
Common Mistakes:
MISTAKES
  • Omitting ON keyword
  • Confusing WHERE with ON
  • Assuming INNER JOIN syntax is optional

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