Variable column names using prepared statements

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I was wondering if there was anyway to specify returned column names using prepared statements.

I am using MySQL and Java.

When I try it:

St         


        
7条回答
  •  野性不改
    2020-11-22 08:55

    public void MethodName(String strFieldName1, String strFieldName2, String strTableName)
    {
    //Code to connect with database
    String strSQLQuery=String.format("select %s, %s from %s", strFieldName, strFieldName2, strTableName);
    st=conn.createStatement();
    rs=st.executeQuery(strSQLQuery);
    //rest code
    }
    

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