Magento get single row collection : You Can Get Single row collection as below.
Magento get single row collection Syntax
$collection = Mage::getModel('module/model')->getCollection();
$collection->addFieldToFilter('column_name', $value)->getFirstItem();
$data = $collection->getData();
print_r($data);
Which will load single row.
Magento 2 get Collection First Item