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    <title>topic Learning about Oracle JOIN types, etc. in ArcGIS Enterprise Questions</title>
    <link>https://community.esri.com/t5/arcgis-enterprise-questions/learning-about-oracle-join-types-etc/m-p/1182173#M33317</link>
    <description>&lt;P&gt;As a non-DBA/developer, I’ve always found resources about SQL joins to be clunky.&lt;/P&gt;&lt;P&gt;I came across a resource recently that I found helpful:&amp;nbsp;&lt;SPAN&gt;&lt;A href="https://oracle-base.com/articles/misc/sql-for-beginners-joins" target="_blank" rel="noopener"&gt;https://oracle-base.com/articles/misc/sql-for-beginners-joins&lt;/A&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;UL&gt;&lt;LI&gt;&lt;A href="https://oracle-base.com/articles/misc/sql-for-beginners-joins#inner-join-on" target="_blank" rel="noopener"&gt;[INNER] JOIN ... ON&lt;/A&gt;&lt;/LI&gt;&lt;LI&gt;&lt;A href="https://oracle-base.com/articles/misc/sql-for-beginners-joins#left-outer-join" target="_blank" rel="noopener"&gt;LEFT [OUTER] JOIN&lt;/A&gt;&lt;/LI&gt;&lt;LI&gt;&lt;A href="https://oracle-base.com/articles/misc/sql-for-beginners-joins#right-outer-join" target="_blank" rel="noopener"&gt;RIGHT [OUTER] JOIN&lt;/A&gt;&lt;/LI&gt;&lt;LI&gt;&lt;A href="https://oracle-base.com/articles/misc/sql-for-beginners-joins#full-outer-join" target="_blank" rel="noopener"&gt;FULL [OUTER] JOIN&lt;/A&gt;&lt;/LI&gt;&lt;LI&gt;&lt;A href="https://oracle-base.com/articles/misc/sql-for-beginners-joins#cross-join" target="_blank" rel="noopener"&gt;CROSS JOIN&lt;/A&gt;&lt;/LI&gt;&lt;LI&gt;&lt;A href="https://oracle-base.com/articles/misc/sql-for-beginners-joins#natural-join" target="_blank" rel="noopener"&gt;NATURAL JOIN&lt;/A&gt;&lt;/LI&gt;&lt;LI&gt;&lt;A href="https://oracle-base.com/articles/misc/sql-for-beginners-joins#inner-join-using" target="_blank" rel="noopener"&gt;[INNER] JOIN ... USING&lt;/A&gt;&lt;/LI&gt;&lt;LI&gt;&lt;A href="https://oracle-base.com/articles/misc/sql-for-beginners-joins#additional-joins" target="_blank" rel="noopener"&gt;Additional Joins&lt;/A&gt;&lt;/LI&gt;&lt;/UL&gt;&lt;P&gt;One thing I like about that list is: it accounts for &lt;I&gt;join name synonyms (variations in join&lt;/I&gt; &lt;I&gt;names) &lt;/I&gt;via the words in brackets.&amp;nbsp;&lt;BR /&gt;Another thing I like: the list of join types is &lt;U&gt;actually complete&lt;/U&gt; (unlike most join lists). For example, it includes information about CROSS JOIN LATERAL in the Additional Joins link, which is a join type that’s often overlooked (use case &lt;A href="https://community.oracle.com/tech/apps-infra/discussion/4499613/get-ordinates-as-rows-in-query-sdo-geometry#latest" target="_self"&gt;here&lt;/A&gt;).&lt;/P&gt;&lt;P&gt;In general, I really like oracle-base.com. It’s much better than the Oracle docs, which seems to be missing a lot of key information, are hard to read, and out-of-date. And seem to be meant for people who are already experts on the content. Whereas oracle-base.com is the opposite of all those things.&lt;/P&gt;&lt;P&gt;Many people will already know about that resource, but some might not, so I thought I’d share.&lt;/P&gt;&lt;P&gt;Cheers.&lt;/P&gt;</description>
    <pubDate>Mon, 13 Jun 2022 13:21:08 GMT</pubDate>
    <dc:creator>Bud</dc:creator>
    <dc:date>2022-06-13T13:21:08Z</dc:date>
    <item>
      <title>Learning about Oracle JOIN types, etc.</title>
      <link>https://community.esri.com/t5/arcgis-enterprise-questions/learning-about-oracle-join-types-etc/m-p/1182173#M33317</link>
      <description>&lt;P&gt;As a non-DBA/developer, I’ve always found resources about SQL joins to be clunky.&lt;/P&gt;&lt;P&gt;I came across a resource recently that I found helpful:&amp;nbsp;&lt;SPAN&gt;&lt;A href="https://oracle-base.com/articles/misc/sql-for-beginners-joins" target="_blank" rel="noopener"&gt;https://oracle-base.com/articles/misc/sql-for-beginners-joins&lt;/A&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;UL&gt;&lt;LI&gt;&lt;A href="https://oracle-base.com/articles/misc/sql-for-beginners-joins#inner-join-on" target="_blank" rel="noopener"&gt;[INNER] JOIN ... ON&lt;/A&gt;&lt;/LI&gt;&lt;LI&gt;&lt;A href="https://oracle-base.com/articles/misc/sql-for-beginners-joins#left-outer-join" target="_blank" rel="noopener"&gt;LEFT [OUTER] JOIN&lt;/A&gt;&lt;/LI&gt;&lt;LI&gt;&lt;A href="https://oracle-base.com/articles/misc/sql-for-beginners-joins#right-outer-join" target="_blank" rel="noopener"&gt;RIGHT [OUTER] JOIN&lt;/A&gt;&lt;/LI&gt;&lt;LI&gt;&lt;A href="https://oracle-base.com/articles/misc/sql-for-beginners-joins#full-outer-join" target="_blank" rel="noopener"&gt;FULL [OUTER] JOIN&lt;/A&gt;&lt;/LI&gt;&lt;LI&gt;&lt;A href="https://oracle-base.com/articles/misc/sql-for-beginners-joins#cross-join" target="_blank" rel="noopener"&gt;CROSS JOIN&lt;/A&gt;&lt;/LI&gt;&lt;LI&gt;&lt;A href="https://oracle-base.com/articles/misc/sql-for-beginners-joins#natural-join" target="_blank" rel="noopener"&gt;NATURAL JOIN&lt;/A&gt;&lt;/LI&gt;&lt;LI&gt;&lt;A href="https://oracle-base.com/articles/misc/sql-for-beginners-joins#inner-join-using" target="_blank" rel="noopener"&gt;[INNER] JOIN ... USING&lt;/A&gt;&lt;/LI&gt;&lt;LI&gt;&lt;A href="https://oracle-base.com/articles/misc/sql-for-beginners-joins#additional-joins" target="_blank" rel="noopener"&gt;Additional Joins&lt;/A&gt;&lt;/LI&gt;&lt;/UL&gt;&lt;P&gt;One thing I like about that list is: it accounts for &lt;I&gt;join name synonyms (variations in join&lt;/I&gt; &lt;I&gt;names) &lt;/I&gt;via the words in brackets.&amp;nbsp;&lt;BR /&gt;Another thing I like: the list of join types is &lt;U&gt;actually complete&lt;/U&gt; (unlike most join lists). For example, it includes information about CROSS JOIN LATERAL in the Additional Joins link, which is a join type that’s often overlooked (use case &lt;A href="https://community.oracle.com/tech/apps-infra/discussion/4499613/get-ordinates-as-rows-in-query-sdo-geometry#latest" target="_self"&gt;here&lt;/A&gt;).&lt;/P&gt;&lt;P&gt;In general, I really like oracle-base.com. It’s much better than the Oracle docs, which seems to be missing a lot of key information, are hard to read, and out-of-date. And seem to be meant for people who are already experts on the content. Whereas oracle-base.com is the opposite of all those things.&lt;/P&gt;&lt;P&gt;Many people will already know about that resource, but some might not, so I thought I’d share.&lt;/P&gt;&lt;P&gt;Cheers.&lt;/P&gt;</description>
      <pubDate>Mon, 13 Jun 2022 13:21:08 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-enterprise-questions/learning-about-oracle-join-types-etc/m-p/1182173#M33317</guid>
      <dc:creator>Bud</dc:creator>
      <dc:date>2022-06-13T13:21:08Z</dc:date>
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