Total count when using inner, left and right joins

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SQL-Server-2014

Below mentioned scenario I have

Table A
Empid
1
1
2
2
2
3
3
3

Table B
Empid
1
2
3

so what will be total count when using Inner join, left Join and Right join

What I have tried:

I think, Inner join have 9 rows, Left join have 3 rows, right join have 3 rows. Please suggest with explanation.

Posted 31-Aug-18 6:01am

Anjalisharma1

Updated 31-Aug-18 6:47am

v2

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Richard Deeming · Answer 1 · 2018-08-31T06:48:00

Solution 1

With the sample data provided, all three joins will have nine rows, since there are no rows in either table without a corresponding row in the other table.

Visual Representation of SQL Joins[^]

Posted 31-Aug-18 6:48am

Richard Deeming