Returns the most recent SQLSTATE string. SQLSTATE indicates whether the most recently executed SQL statement resulted in a
success, error, or warning condition. SQLSTATE codes consists of five characters with "00000" representing no error. The values
are defined by the ISO/ANSI SQL standard.
Returns a string of five characters containing the current SQLSTATE code. Note that "00000" means no error. For a list of
SQLSTATE codes, see SQL Anywhere error messages sorted by SQLSTATE.
Prototype