<?php
$padSelect ['union1'] = [ 'base' => 'table1', ] ; $padSelect ['union12'] = [ 'base' => 'table1', 'union' => 'table2' ] ; $padSelect ['union1234'] = [ 'base' => 'table1', 'union' => [ 'table2', 'table3', 'table4' ] ] ;
?>
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<h1>Union demo</h1>
<h2>1</h2>
<table border=1> {union1} <tr> <td>{$key}</td> <td>{$text}</td> </tr> {/union1} </table>
<h2>1 2</h2>
<table border=1> {union12} <tr> <td>{$key}</td> <td>{$text}</td> </tr> {/union12} </table>
<h2>1 2 3 4</h2>
<table border=1> {union1234} <tr> <td>{$key}</td> <td>{$text}</td> </tr> {/union1234} </table>
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Union demo
1
| 11 |
Only in table 1 |
| 12 |
Only in table 1 |
| 21 |
In both tables |
| 22 |
In both tables |
1 2
| 11 |
Only in table 1 |
| 12 |
Only in table 1 |
| 21 |
In both tables |
| 22 |
In both tables |
| 31 |
Only in table 2 |
| 32 |
Only in table 2 |
1 2 3 4
| 11 |
Only in table 1 |
| 12 |
Only in table 1 |
| 21 |
In both tables |
| 22 |
In both tables |
| 31 |
Only in table 2 |
| 32 |
Only in table 2 |
| 22 |
Multi join 3 |
| 22 |
Multi join 4 |
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