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There are two kinds of error handling in PL/SQL. One is predefined exception. Another is user-defined exception. Question: Please discuss the basic step-by-step procedure as

There are two kinds of error handling in PL/SQL. One is "predefined exception." Another is "user-defined exception."

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Please discuss the basic step-by-step procedure as to how to utilize "user-defined exception" in PL/SQL program

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