Informatics Practices
With SELECT statement used for joins, the ON subclause produces …………… join.
- Equi-join
- Natural
- Left Join
- Right Join
SQL Joins & Grouping
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Answer
Equi-join
Reason — The ON subclause in a SELECT statement produces an equi-join, where columns from the joined tables are compared for equality using the specified conditions in the ON clause.
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In which type of join, no duplicate columns are there ?
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With SELECT statement used for joins, the USING subclause produces …………… join.
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What is the correct statement for describing the UNION operation ?
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