I'm trying to get skill name for skill1,skill2, & skill3 from the table2 by using Join.
It works fine when Im trying to get skill1 alone. But, 1066 Not unique table/alias error comes out when I try to get details for the next column.
Table 1 (User table)
======================================
ID Name skill skill2 skill3
======================================
1 Ed 1 4 3
--------------------------------------
Table 2 (Skill details)
=========================
ID Skill Name
=========================
1 php
2 html
3 css
4 mysql
-------------------------
This is what I expect to get:
[name] => 'Ed'
[skill1] => 'php'
[skill2] => 'mysql'
[skill3] => 'css'
Here's my code, I'm using laravel:
DB::table('table1')
->join('table2', function($join)
{
$join->on('table1.skill1', '=', 'table2.id');
})
->join('table2', function($join)
{
$join->on('table1.skill2', '=', 'table2.id');
})
->join('table2', function($join)
{
$join->on('table1.skill3', '=', 'table2.id');
})
->get();
Try this query:
SELECT U.Name AS Name, S1.Skill Name AS Skill1, S2.Skill Name AS Skill2, S3.Skill Name AS Skill3
FROM table1 U
JOIN table2 S1 ON (S1.Id = U.skill1)
JOIN table2 S2 ON (S2.Id = U.skill2)
JOIN table2 S3 ON (S3.Id = U.skill3)
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