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Why does this query cause an error?

medium📝 Debug Q7 of 15
SQL - LEFT and RIGHT JOIN
Why does this query cause an error?
SELECT * FROM Orders RIGHT JOIN Customers ON Orders.customer_id Customers.id;
AMissing '=' operator in ON condition.
BRIGHT JOIN cannot be used without WHERE clause.
CTable names are misspelled.
DRIGHT JOIN requires USING keyword.
Step-by-Step Solution
Solution:
  1. Step 1: Examine ON clause syntax

    ON clause requires a comparison operator like '=' between columns.
  2. Step 2: Identify missing '=' operator

    The query misses '=' between Orders.customer_id and Customers.id causing syntax error.
  3. Final Answer:

    Missing '=' operator in ON condition. -> Option A
  4. Quick Check:

    ON clause syntax = D [OK]
Quick Trick: ON clause needs '=' between columns [OK]
Common Mistakes:
MISTAKES
  • Omitting '=' in ON condition
  • Confusing USING and ON syntax
  • Assuming ON clause can omit operators

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