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Eddie Awad’s Blog: COUNT(*) vs COUNT(1)

Robert Vollman · 4 years ago

More:
http://asktom.oracle.com/pls/ask/f?p=4950:8::::...
http://asktom.oracle.com/pls/ask/f?p=4950:8::::...

Connor McDonald:
http://www.oracledba.co.uk/tips/count\_speed.htm

Jonathan Lewis:
http://www.jlcomp.demon.co.uk/faq/count\_rows.html

Cheers,
Robert