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Which SQL operator is equivalent to EXCEPT in some databases like Oracle?

easy📝 Conceptual Q2 of 15
SQL - Set Operations
Which SQL operator is equivalent to EXCEPT in some databases like Oracle?
AMINUS
BINTERSECT
CUNION
DJOIN
Step-by-Step Solution
Solution:

  1. Step 1: Identify equivalent operators

    Oracle uses MINUS to perform the same operation as EXCEPT in other SQL dialects.

  2. Step 2: Confirm difference from other operators

    INTERSECT returns common rows, UNION combines rows, JOIN combines tables differently.

  3. Final Answer:

    MINUS -> Option A

  4. Quick Check:

    EXCEPT = MINUS in Oracle [OK]
Quick Trick: MINUS is Oracle's version of EXCEPT [OK]
Common Mistakes:
MISTAKES
  • Choosing INTERSECT instead of MINUS
  • Confusing UNION with EXCEPT
  • Thinking JOIN is similar to EXCEPT

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