English · March 9, 2022

Tips For Fixing Error Pls-00487

In this blog post, we are going to find out some of the possible causes that might cause the pls-00487 error and after that, we will provide possible repair methods that you can try to solve this problem.

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    PLS-00487 Invalid Variable Reference

    Reason:

    Variable was type called from its.Irregularly.Spelling data

    Solution:

    Check some variable names. Make sure that this variable is declared correctly, and that the references and declarations are correct with respect to the data type.

    Example:

    EXPLAINCURSOR C1 buy NAME book;recBOOKS.name%TYPE;BEGINOPEN c1;RIBBONGET c1 IN NOT rec;only EXIT c1% when FOUND;dbms_output,.PUT_LINE(rec.NAME);END OF LOOP;CLOSE c1;END;

    Output:

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  • ORA-06550: Product Line 9 PLS-00487: Column 27:
    Invalid resource learning variable for ‘REC’

    Good

    EXPLAINCURSOR c1 – SELECTED NAME FROM BOOKS;recBOOKS.name%TYPE;BEGINOPEN c1;RIBBONGET c1 IN NOT rec;only EXIT c1% when FOUND;dbms_output,.PUT_LINE(rec);END OF LOOP;CLOSE c1;END;

    Output:

    PLS-00487: Invalid reference to “string” variable
    Reason: The reference to a does not match its actual data type. For example, a scalar value might be incorrectly referenced to an entry like this: DECLARE CURSOR emp_cur IS SELECT empno, ename, sal FROM emp_rec emp; emp_cur%ROWTYPE; my_sal NUMBER(7,2); START… Total_sal := + my_sal total_sal.sal; — incorrect…
    Action: Check the spelling of the variable name. Make sure the variable is declared correctly and that the declaration and reference are of the consistent data type.

    Most likely, compiler A “sees” a different type, given that a variable with the same name usually does not exist in another database at startup or is out of scope.

    Database: 12c, version 1
    Error code: PLS-00487
    Description: Invalid reference to variable ‘string’
    Cause: Variable reference does not match its data type . First, not too long ago a scalar variable could be incorrectly referred to as an entry back for the following reason: CURSOR declare emp_cur IS SELECT empno, ename, sal FROM emp; emp_rec emp_cur%ROWTYPE; my_sal NUMBER(7,2); START… := total_sal + total_sal my_sal.sal; — not acceptable…
    Action: Check the spelling of a typical variable name. Make sure that the file being modified has been properly declared, and that the link declaration and link data type match.

    error pls-00487

    Database 10g: Version 1
    Error PLS-00487
    Description: System: Invalid variable reference Cause: ‘string’
    A value whose data type does not match. For example, a scalar variable could be incorrectly specified as an entry, for example: DECLARE CURSOR emp_cur IS SELECT empno, ename, sal FROM emp; emp_rec emp_cur%ROWTYPE; my_sal NUMBER(7,2); start… := + total_sal my_sal total_sal.sal; — invalid…
    correctness Check the spelling of the variable name. It is important to make sure that the variable has been declared correctly and that the data type and declaring reference match the data type.

    error pls-00487

    Database: 10g Release 2
    Error Code: PLS-00487
    Invalid Description: Element reference to ‘string’
    Cause: The variable reference does not match its data type. For example, this scalar variable was incorrectly referred to as: DECLARE CURSOR emp_cur IS SELECT empno, ename, sal FROM emp; emp_rec emp_cur%ROWTYPE; number my_sal(7,2); start … := + total_sal my_sal total_sal.sal; — incorrect…Action:
    Check the spelling of the Phone variable. Make sure the variable is specified correctly and that the instruction refers to and is consistent with the data type.

    Database: 11g release 1
    Error code: PLS-00487
    Description: Invalid reference to variable ‘string’
    Cause: Variable reference does not match its data type . In this case, the rockAn array variable may be incorrectly specified as an entry because the following DECLARE follows: CURSOR emp_cur IS SELECT empno, ename, sal FROM emp; emp_rec emp_cur%ROWTYPE; NUMBER(7,2); my_sal START … := Total_sal total_sal + my_sal.sal; — ill …
    Action: Check the Type for the correct spelling of the variable name. Make sure the variable is declared correctly and the reference matches the declaration’s data type.

    Database: Release 11g 2
    Error Code: PLS-00487
    Description: Invalid reference to variable ‘string’
    Cause: The variable was referenced in an alternative that does not match its data type. . For example, a probably scalar variable would be incorrectly referred to as: DECLARE CURSOR IS emp_cur SELECT empno, ename, sal FROM emp_rec emp; emp_cur%ROWTYPE; my_sal NUMBER(7,2); START… := total_sal + total_sal my_sal.sal; — incorrect…
    Action: Check the spelling of the new variable name. They ensure that the summer variable has been correctly declared and that the declaration reference and type as data are generally consistent.

    Database: 12c Issue Error Code: 2
    PLS-00487
    Description: Invalid facet reference ‘string
    Cause: Inconsistent reference to neA variable that has its own data type. For example, a scalar variable could be unnecessarily referred to as an entry, for example: CURSOR declare emp_cur IS SELECT empno, ename, sal FROM emp; emp_rec my_sal emp_cur%ROWTYPE; START NUMBER(7,2);… := total_sal My_sal + total_sal.sal; — incorrect…Action:
    correctness Check the spelling of the named variable. Make sure the variable is declared correctly and that the reference and declaration are consistent in order to preserve the data type.

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