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Home/Questions/SQL/Two tables: Table 1 has 8 records, Table 2 has 2 records, common column id. How many records would result with Inner Join, Left Join, Right Join, Full Outer Join?

Two tables: Table 1 has 8 records, Table 2 has 2 records, common column id. How many records would result with Inner Join, Left Join, Right Join, Full Outer Join?

SQLmedium0.8 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
Fossil Group
Key Concepts Tested
join
Expert AnswerPremium
151 wordsInterview-ready
With Table1 (8 rows) and Table2 (2 rows) sharing column id: Assume Table1 has ids 1–8; Table2 has ids 1–2 (matching subset). Inner Join: Returns only rows where id exists in both—max 2 rows (one per Table2 match). Left Join (Table1 LEFT Table2): 8 rows—all from Table1; Table2 columns NULL where no match. Right Join (Table1 RIGHT Table2): 2 rows—all from Table2; Table1 columns NULL where Table1 has no matching id (if Table2 has ids not in Table1)....
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