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calculating the code cost

RaziyeJan 7 2016 — edited Jan 7 2016

Hi everyone,

I wrote the plsql script and I want to calculate the cost of manually. How can I calculate this?

in addition, I have learned that substr operations is a process that brings extra load on the CPU in the database. Where can I find this information, such as technical details?

thank for everything

best regars

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Added on Jan 7 2016

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