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POSearching and displaying results by relevance in Oracle
 

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  1. POSearching and displaying results by relevance in Oracle
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    <p>I am very beginner to Oracle Database query development. I am developing a search functionality for my project to search for Stores by <strong>Zip</strong> or <strong>Name</strong> or <strong>City</strong>, where the user will be provided with "One HTML input box" to enter the search term. There is only table Called Stores</p> <p>The conditions for displaying search results are</p> <ol> <li>If the search term matched to <code>ZIP</code> results should be <code>GROUP</code> and <code>SORT BY ZIP DESC</code></li> <li>If the search term matched to <code>NAME</code> results should be group and sort by <code>NAME IN ASC</code> and same as to <code>CITY</code></li> <li>If the search term matched to <code>ZIP</code>,<code>NAME</code> and <code>CITY</code> (to all), then first the results matched to the <code>ZIP</code> should be displayed in <code>DESC order</code>, next <code>CITY</code> followed by The <code>NAME</code></li> </ol> <p>I have tried Some thing like this </p> <pre><code>SELECT s.uuid AS uuid, COUNT(*) over() AS rowcount FROM Stores s WHERE s.postalcode LIKE '%87%' OR s.city LIKE '%87%' OR CONCAT(CONCAT(s.firstname, ' '),s.lastname) LIKE '%87%' GROUP BY s.city, s.postalcode, CONCAT(CONCAT(s.firstname, ' '),s.lastname), s.uuid ORDER BY CASE WHEN s.postalcode LIKE '%87%' THEN s.postalcode END DESC, CASE WHEN CONCAT(CONCAT(s.firstname, ' '),s.lastname) LIKE '%87%' THEN CONCAT(CONCAT(s.firstname, ' '),s.lastname) ELSE s.postalcode END ASC, CASE WHEN s.city LIKE '%87%' THEN s.city END </code></pre> <p>This query is not displaying the results as expected (I mean it is displaying results without order, not Like First zip, next city followed by name). </p> <p>How can I do the query to meet the above requirements, do I need to use stored procedures to do that ? Any suggestions will be greatly appreciated.</p>
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    1. COthis sounds like homework, mark it as such if it is. It is also startling similar to this question asked earlier today: http://stackoverflow.com/questions/12564918/why-oracle-is-saying-not-a-group-by-expression
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    2. COHave you tried putting the `CASE` construct in the `ORDER BY` clause into the `SELECT` and `GROUP BY` clauses? Try putting it exactly like that and may we see the results.
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