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Dear All, These are my answers from Quora and primarily Google; please check the answer and from others sites; the answers are free and without any liability.To make a decision, write down all of the positives and negatives on a piece of paper.Thank you,

Elias Katsaniotis, MSc

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Viktoria Katsanioti,

Kaliningrad,

Russia,

matizegr@yahoo.com

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It can be done using parameters for csr2 and opening csr2 for each fetch from csr1. But that is not good for performance. Joining can be done between tables in a query or between what is called common-table expressions and/or common-table expressions and tables.

source https://community.oracle.com/tech/developers/discussion/4335674/can-you-join-2-cursors

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