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    DB2 Error Code – -203 a reference to column column-name is ambiguous

    admin November 21, 2022 No Comments

    In this post, you’ll learn about the error message -203 a reference to column column-name is ambiguous in the IBM DB2 database , the reason why it occurs along with the solution to fix it

    IBM DB2 Error Message

    -203 a reference to column column-name is ambiguous

    Reason for the Error

    Two or more of the tables specified in a FROM clause in the statement contain columns with the specified ‘column-name’.� The column name needs further qualification to establish which of the possible table-columns it is.

    Solution

    Qualify the ambiguous column name with a table name or correlation name.

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