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POComplex SQL query :: display data inline from multiply tables
 

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  1. POComplex SQL query :: display data inline from multiply tables
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    <p>Hi i have a proble in finding solution.</p> <p>I have 3 tables:</p> <ol> <li>Customer <ul> <li>customer_id</li> <li>customer_name</li> </ul></li> <li>Relation <ul> <li>subscription_id</li> <li>customer_id</li> </ul></li> <li>Subscriptions</li> </ol> <p>One customer can have relation with many subscriptions and i want to display data like so:</p> <pre><code>customer_id, customer_name, subscription_first, subscription_second, subscription_n </code></pre> <p>...all in one line.</p> <p>Can any one help me :?</p> <p>Ok, first of all, thanks for help :)</p> <p>i did something like this and its working :)</p> <pre><code>SELECT `main_table`.*, `customer_lastname_table`.`value` AS `customer_lastname`, `customer_firstname_table`.`value` AS `customer_firstname`, IF(main_table.customer_id = 0, 1, 2) AS `type`, `store`.`group_id`, `store`.`website_id`, `subscription_table_one`.`subscription_code`, `subscription_table_two`.`subscription_code` FROM `newsletter_subscriber` AS `main_table` LEFT JOIN `customer_entity_varchar` AS `customer_lastname_table` ON customer_lastname_table.entity_id=main_table.customer_id AND customer_lastname_table.attribute_id = 7 LEFT JOIN `customer_entity_varchar` AS `customer_firstname_table` ON customer_firstname_table.entity_id=main_table.customer_id AND customer_firstname_table.attribute_id = 5 INNER JOIN `core_store` AS `store` ON store.store_id = main_table.store_id LEFT JOIN `b_newsletter_relations` AS `relation_table` ON relation_table.customer_id=main_table.customer_id LEFT JOIN `b_newsletter_subscriptions` AS `subscription_table_one` ON subscription_table_one.subscription_id=relation_table.subscription_id LEFT JOIN `b_newsletter_subscriptions` AS `subscription_table_two` ON subscription_table_one.subscription_id=relation_table.subscription_id GROUP BY `customer_id` </code></pre> <p>Aaa, and one more thing, it's dynamic via PHP.</p>
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    1. COHow do you know which is the 1st/2nd/3rd/etc subscription? Is there a limit per customer, otherwise this has to be dynamic to accommodate the customer with the most subscriptions...
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