DELETE DTYPE_NAME_TO_VALUE;
REDEFINE TABLE DTYPE_NAME_TO_VALUE FROM DTYPS USING NAME : VALUE END_TABLE

DELETE DTYPE_VALUE_TO_NAME;
REDEFINE TABLE DTYPE_VALUE_TO_NAME FROM DTYPS USING VALUE : NAME END_TABLE

DELETE FUN_TYPE_TABLE;
REDEFINE TABLE FUN_TYPE_TABLE
        "STATUS"        :       "FUN$K_STATUS"
        "INPUT"         :       "FUN$K_INPUT"
        "VALUE"         :       "FUN$K_VALUE"
        "REF"           :       "FUN$K_REF"
        "DESC"          :       "FUN$K_DESC"
        "TEXT"          :       "FUN$K_TEXT"
        "NULL"          :       "FUN$K_NULL"
END_TABLE