SQLDA not large enough (<num>) to handle number of parameters
  (<num>)

  Explanation:  The SQLDA passed to PREPARE or DESCRIBE is not
  large enough to handle all of the parameters in the associated
  PREPARE command string.

  User Action:  Allocate an SQLDA to be large enough to have one
  SQLVAR for each input or output parameter ('?') in the PREPARE
  command string.  Then set SQLN to indicate the number of SQLVARs
  in the SQLDA.