Solution:Step 1: Understand INTERSECT operationINTERSECT returns only rows present in both tables.Step 2: Find common elements in Table A and Table BCommon elements are 2 and 3.Final Answer:{2, 3} -> Option AQuick Check:INTERSECT = common rows [OK]

[Solved] Given two tables:Table A: {1, 2, 3}Table B: {2, 3, 4}What is the result of SELECT * FROM A INTERSECT SELECT * FROM B;? | SQL

SQL - Set Operations

Given two tables:
Table A: {1, 2, 3}
Table B: {2, 3, 4}
What is the result of SELECT * FROM A INTERSECT SELECT * FROM B;?

A{2, 3}

B{1, 2, 3}

C{1, 4}

D{1, 2, 3, 4}

Step-by-Step Solution

Solution:

Step 1: Understand INTERSECT operation
INTERSECT returns only rows present in both tables.
Step 2: Find common elements in Table A and Table B
Common elements are 2 and 3.
Final Answer:
{2, 3} -> Option A
Quick Check:
INTERSECT = common rows [OK]

Quick Trick: INTERSECT returns only common rows [OK]

Common Mistakes:

MISTAKES

Confusing INTERSECT with UNION
Including all rows from both tables
Mixing up EXCEPT with INTERSECT

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Given two tables:

Step 1: Understand INTERSECT operation

Step 2: Find common elements in Table A and Table B

Final Answer:

Quick Check:

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