How to join multiple tables in Magento?

@dalton_moen In Magento, you can join multiple tables in a database query using the join method. Here is an example:

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$collection = Mage::getModel('module/model')->getCollection();
$collection->getSelect()
    ->join(
        array('table_alias' => 'table_name'),
        'main_table.field_name = table_alias.field_name'
    );

The join method takes two arguments: the first argument is an array that specifies the alias and the name of the table to join, and the second argument is the join condition that specifies how the tables should be joined. In the example above, the join method is called on the Select object of the collection, which adds the specified join to the query. Keep in mind that the exact syntax for joining tables in Magento may vary depending on the version of Magento you are using. It's always a good idea to consult the Magento documentation for the specific version you are using to ensure you are using the correct syntax.