What are virtual columns?

Question Posted / zikku

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What are virtual columns?..

Answer / shanmugavelu

Virtual column or Pseudo Columns like
rowid,rownum,sysdate,nextval,currval,uid,user

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What are virtual columns?..

Answer / sathish

the virtual cols are rownum, rowid . like

Is This Answer Correct ?

4 Yes

1 No

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