Added comment for input in p_roll
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@ -35,8 +35,7 @@ DECLARE
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p_roll Student.Roll%type;
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p_roll Student.Roll%type;
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nodata EXCEPTION;
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nodata EXCEPTION;
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BEGIN
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BEGIN
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DBMS_OUTPUT.PUT_LINE('Enter roll number: ');
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p_roll := &p_roll; -- specify value directly for Live SQL. Eg.: p_roll := 1;
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p_roll := &p_roll;
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IF (p_roll < 0) THEN
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IF (p_roll < 0) THEN
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raise nodata;
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raise nodata;
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