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select * from a inner join b on a.a=b.b
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Answer from AI
The query select * from a inner join b on a.a=b.b performs an inner join of two tables a and b based on the condition that the values of columns a.a and b.b are equal.
This means that the resulting set will only include rows for which there are matching values in both tables for the specified columns. If there is no corresponding row in table b for a row in table a, that row will not be included in the result.
Example:
| a.a | a.other | b.b | b.other |
|---|---|---|---|
| 1 | x | 1 | y |
| 2 | z | 3 | w |
The result will only contain rows where a.a = b.b, which in this case is the value 1.