From Oracle to GaussDB

Source Data Type	Converted Data Type	Conversion Configuration
CHAR	CHAR	Mismatch character set If you select This config will adjust the size of CHAR(n), VARCHAR(n), VARCHAR2(n), and NCHAR(n) such that there will not be overflow, the storage of characters converted by DRS and UGO is equivalent.
VARCHAR	VARCHAR	Mismatch character set If you select This config will adjust the size of CHAR(n), VARCHAR(n), VARCHAR2(n), and NCHAR(n) such that there will not be overflow, the storage of characters converted by DRS and UGO is equivalent.
VARCHAR2	VARCHAR2	Mismatch character set If you select This config will adjust the size of CHAR(n), VARCHAR(n), VARCHAR2(n), and NCHAR(n) such that there will not be overflow, the storage of characters converted by DRS and UGO is equivalent.
NCHAR	NCHAR	Mismatch character set If you select This config will adjust the size of CHAR(n), VARCHAR(n), VARCHAR2(n), and NCHAR(n) such that there will not be overflow, the storage of characters converted by DRS and UGO is equivalent.
NVARCHAR2	NVARCHAR2	-
NUMBER	NUMBER	-
NUMBER (6, 3)	NUMBER (6, 3)	-
NUMBER (6, 0)	NUMBER (6, 0)	-
NUMBER (3)	NUMBER (3)	-
NUMBER (6, -2)	NUMBER (6, -2)	-
BINARY_FLOAT	REAL	-
BINARY_DOUBLE	BINARY_DOUBLE	-
FLOAT	DOUBLE PRECISION	Float datatype If you select The FLOAT/FLOAT(n) will be converted to DOUBLE PRECISION, the storage of characters converted by DRS and UGO is equivalent.
INT	NUMBER(38)	Integer datatype If you select This config will convert INT, INTEGER, and SMALLINT to NUMBER(38), , the storage of characters converted by DRS and UGO is equivalent.
INTEGER	NUMBER(38)	Integer datatype If you select This config will convert INT, INTEGER, and SMALLINT to NUMBER(38), , the storage of characters converted by DRS and UGO is equivalent.
DATE	DATE	-
TIMESTAMP	TIMESTAMP(6)	-
TIMESTAMP_TZ	TIMESTAMP(6) WITH TIME ZONE	-
TIMESTAMP_LTZ	TIMESTAMP(6) WITH TIME ZONE	-
INTERVAL_YM	INTERVAL YEAR TO MONTH	-
INTERVAL_DS	INTERVAL DAY TO SECOND	-
BLOB	BLOB	-
CLOB	CLOB	-
NCLOB	TEXT	NCLOB datatype If you select The NCLOB will be converted into TEXT datatype, the storage of characters converted by DRS and UGO is equivalent.
LONG	TEXT	LONG data type If you select The LONG type will be converted into TEXT data type, the storage of characters converted by DRS and UGO is equivalent.
LONG_RAW	BYTEA	LONG RAW data type If you select The LONG RAW will be converted into BYTEA data type, the storage of characters converted by DRS and UGO is equivalent.
RAW	RAW	-
RowID	CHAR(18)	-
NUMBER(*, 0)	NUMBER(38, 0)	-