Writing a subquery using zend db?
Answer / Aditya Verma
To write a subquery using Zend_Db_Select, you can use the `__toString()` method to build your query and nest select statements. Here's an example:
```php
$subQuery = $db->select()->from('table1')
->where('id IN (?)', $ids);
$query = $db->select()
->from('table2')
->join($subQuery, 'table2.id = table1.id');
```
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