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How many rows result from left, right, full outer, and inner joins?

SQLmedium0.2 min readPremium
Frequency
Low
Asked at 1 company
Category
487
questions in SQL
Difficulty Split
130E|271M|86H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
Gartner
Key Concepts Tested
join
Expert AnswerPremium
41 wordsInterview-ready
Same as 1082. **Inner**: matches. **Left**: all left. **Right**: all right. **Full**: all from both, minus duplicates in match. **Exact count**: Requires table data and join keys. **Venn**: Inner = overlap; Left = left circle; Right = right; Full = union.
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