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POOracle Invalid Identifier
 

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  1. POOracle Invalid Identifier
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    <pre><code>Error report: ORA-00904: "RDD"."USED_END_DATE": invalid identifier ORA-02063: preceding line from ADSWEBPROD ORA-06512: at line 5 </code></pre> <p>The following query is throwing me invalid an identifier error.</p> <pre class="lang-sql prettyprint-override"><code>DECLARE TYPE demo_date_array_type IS TABLE OF dc_demo_dates.demo_date_id%TYPE; updated_demo_dates demo_date_array_type; BEGIN SELECT ddd.demo_date_id BULK COLLECT INTO updated_demo_dates FROM dc_demo_dates ddd JOIN dc_demo_reservations ddr ON ddd.reservation_id = ddr.reservation_id AND ddr.status NOT IN ('DENIED','CANCELLED') AND ddr.demo_type &lt;&gt; 'Training' AND ddr.environment IS NOT NULL AND ddd.last_update_date &gt; SYSTIMESTAMP - 1 -- updated in the last day AND ddd.demo_start_date &gt; SYSTIMESTAMP - 14 -- no older than 2 weeks JOIN (SELECT demo_date_id, used_start_date, used_end_date FROM rps_by_demo_date GROUP BY demo_date_id, used_start_date, used_end_date ) rdd ON rdd.demo_date_id = ddd.demo_date_id WHERE ddd.demo_start_date != NVL(rdd.used_start_date, SYSTIMESTAMP) -- either start date OR ddd.demo_end_date != NVL(rdd.used_end_date, SYSTIMESTAMP); -- or end date has changed END; </code></pre> <p>If I remove the <code>GROUP BY demo_date_id, used_start_date, used_end_date</code> or If I change the last <code>OR</code> for an <code>AND</code>, the code executes successfully (except it doesn't give me the results I need)</p> <p>Do you know what might be going on? Thank you</p> <p>EDIT: I moved the group by clause from the subquery into the main query and obtained the results I wanted. But I still don't understand what was causing the error.</p>
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    1. USArzaquel
    1. USArzaquel
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    2. VO
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    1. COremove only the `, used_end_date` from the `group by`
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      1. USalfasin
    2. COIf I remove the `, used_end_date` from the `group by` I cannot use it in the `select`; if I remove it from the `select` I cannot use it in the `where`.
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    3. COsounds like you have duplicate rows of `demo_date_id, used_start_date, used_end_date` (with the same values) - maybe you should try to pull only `DISTINCT` values ?
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