How to use Dual, Rownum & Operators in SQL | SQL Tutorial for Beginners in Hindi

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Learn what is DUAL, ROWNUM and how to use different operators in SQL. Simple way to learn SQL and a very easy tutorial for beginners in Hindi.

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Комментарии
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Bhai tomo video pura clean and clear and main kotha hela with examples it is great.

asisdas
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6:13 imp, i will come here b4 interview .

SHRAYASHGAWADE-xbzj
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I am getting error when I am using dual, is there there any specific procedure to use dual in postgres?? and please explain about oracle, ms SQL and Postgrsql.

OrientedVideos
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CREATE VIEW public.dual AS SELECT 'X'::varchar AS dummy; use this to create dual table in postgresql.

OrientedVideos