Syntax

1. <data_type> ::=
     CHAR[ACTER] [(<unsigned_integer>)] [ASCII | BYTE | UNICODE]
   | VARCHAR [(<unsigned_integer>] [ASCII | BYTE | UNICODE]
   | CLOB [ASCII | UNICODE]
   | BLOB
   | BOOLEAN
   | FIXED (<unsigned_integer> [,<unsigned_integer>])
   | FLOAT (<unsigned_integer>)
   | INT[EGER]
   | SMALLINT
   | DATE
   | TIME
   | TIMESTAMP