Using C / C language development, it must be a problem with data between data between the ODBC language, because some of the data types existing in ODBC do not exist in C language. Therefore, do not use the actual type of INT, FLOAT in the development of ODBC to define variables to define variables to define variables, such as SQLinteger, SQLFLOAT. Define the data type used in the C language and ODBC in macro definitions:
