Check out the documentation on this. Another thing you might want to study afterwards is Martin Berg's method of "Throw-away of rows" that he invented while working for me in Premium Services in Oracle.

Mogens

Waleed Haggagy wrote:

Hello All,

Can anyone help me to get details information to understand what is mean of
"cost/card/bytes" information out of the Explain Plan?

Regards,
Waleed Haggagy






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