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Editorial Team
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Asked: 2026-05-16T00:31:26+00:00

I see some people do joins like this SELECT * FROM table1 JOIN table

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I see some people do joins like this

SELECT * FROM table1
JOIN table 2
ON table1_id = table2_id

where as some people do this

SELECT * 
FROM table1 
WHERE table1.table1_id = tabl2.table2_id;

whats the difference and what is more efficient and benificial

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1 Answer

  1. Editorial Team

    Here’s why

    SELECT * FROM table1
INNER JOIN table 2
ON table1_id = table2_id

SELECT * FROM table1
LEFT JOIN table 2
ON table1_id = table2_id

SELECT * FROM table1
RIGHT JOIN table 2
ON table1_id = table2_id

SELECT * FROM table1
FULL OUTER JOIN table 2
ON table1_id = table2_id
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