[Solved] What is a non-equi join in SQL? — Ans: A join that uses conditions other than equality, like <, >, or BETWEEN. | SQL

SQL - Advanced Joins

What is a non-equi join in SQL?

AA join that uses conditions other than equality, like <, >, or BETWEEN.

BA join that only matches rows with equal values in both tables.

CA join that combines all rows from both tables regardless of condition.

DA join that uses only the AND logical operator in the ON clause.

Step-by-Step Solution

Solution:

Step 1: Understand join conditions
Equi joins use equality (=) to match rows. Non-equi joins use other operators like <, >, or BETWEEN.
Step 2: Identify non-equi join definition
Since non-equi joins match rows based on inequalities or ranges, A join that uses conditions other than equality, like <, >, or BETWEEN. correctly describes this.
Final Answer:
A join that uses conditions other than equality, like <, >, or BETWEEN. -> Option A
Quick Check:
Non-equi join = condition other than = [OK]

Quick Trick: Non-equi joins use <, >, or BETWEEN, not just = [OK]

Common Mistakes:

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What is a non-equi join in SQL?