Informatics Practices
In which type of join, no duplicate columns are there ?
- Equi-join
- Natural
- Left Join
- Right Join
SQL Joins & Grouping
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Answer
Natural
Reason — In a natural join, no duplicate columns appear in the output table. This is because a natural join is a type of join in which only one of the identical columns (coming from the joined tables) is included in the output.
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