[Solved] What is the main purpose of using table aliases in an INNER JOIN query? — Ans: To give tables shorter names for easier reference | SQL

SQL - INNER JOIN

What is the main purpose of using table aliases in an INNER JOIN query?

ATo delete duplicate rows automatically

BTo create new tables from existing ones

CTo change the data type of columns

DTo give tables shorter names for easier reference

Step-by-Step Solution

Solution:

Step 1: Understand table aliases
Table aliases are short names given to tables to simplify query writing and reading.
Step 2: Purpose in INNER JOIN
In INNER JOIN queries, aliases help refer to tables easily, especially when multiple tables have columns with the same name.
Final Answer:
To give tables shorter names for easier reference -> Option D
Quick Check:
Table aliases purpose = Shorter names [OK]

Quick Trick: Aliases make queries shorter and clearer [OK]

Common Mistakes:

MISTAKES

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What is the main purpose of using table aliases in an INNER JOIN query?