UNION AND UNION ALL SET OPERATOR IN ORACLE SQL

Опубликовано: 31 Октябрь 2024
на канале: Kishan Mashru

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This video is to understand the difference between union and union all set operations. Along with that we have also showed some simple solution to the 'ORA-01789: query block has incorrect number of result columns' error message.

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Content and video created by : Kishan Mashru