>> << Ndx Usr Pri Phr Dic Rel Voc !: wd Help User

# ODBC error messages

The data driver verbs that open and close connections, and send SQL statements, all return a number. Typically, if the number is positive, it is a handle. If the number is 0, it means the operation completed successfully (but the function returns no handle). If the number is `_1`, it means there was some error. You can get more information about the errror using `dderr`. For example, try closing a non-existent statement handle:

       ddend 42
    _1

       dderr''
    ISI04 Bad statement handle

>> << Ndx Usr Pri Phr Dic Rel Voc !: wd Help User