GaussDB->Oracle

**Table 1** Data type mapping
Data Type (GaussDB)	Data Type (Oracle)	Whether to Support Mapping
TINYINT	NUMBER	Yes
SMALLINT	NUMBER	Yes
INTEGER	NUMBER	Yes
BIGINT	NUMBER	Yes
NUMBER	NUMBER	Yes
NUMERIC	NUMBER	Yes
REAL	BINARY_FLOAT	Yes
DOUBLE PRECISION	BINARY_DOUBLE	Yes
DATE	DATE	Yes
BOOLEAN	CHAR(1)	Yes
CHARACTER	CHAR	Yes
CHARACTER VARYING	VARCHAR2	Yes
NVARCHAR2	NVARCHAR2	Yes
TEXT	CLOB	Yes
BLOB	BLOB	Yes
BYTEA	BLOB	Yes
TIMESTAMP WITHOUT TIME ZONE	TIMESTAMP	Yes
TIMESTAMP WITH TIME ZONE	TIMESTAMP WITH TIME ZONE	Yes
TIME WITHOUT TIME ZONE	VARCHAR2(32)	Yes
TIME WITH TIME ZONE	VARCHAR2(32)	Yes
CLOB	CLOB	Yes
RAW	RAW	Yes
MONEY	VARCHAR2	Yes
TINYINT UNSIGNED	NUMBER	Yes
SMALLINT UNSIGNED	NUMBER	Yes
INTEGER UNSIGNED	NUMBER	Yes
BIGINT UNSIGNED	NUMBER	Yes