From Microsoft SQL Server to GaussDB

Source Data Type	Converted Data Type	Conversion Configuration
TINYINT	TINYINT	-
SMALLINT	SMALLINT	-
INT	INT	-
BIGINT	BIGINT	-
DECIMAL	DECIMAL	-
NUMERIC	NUMERIC	-
FLOAT	FLOAT	-
REAL	REAL	-
SMALLMONEY	numeric(10, 4)	-
MONEY	numeric(19, 4)	-
BIT	BOOLEAN	Bit datatype If you select Convert the bit type to boolean data type, the storage of characters converted by DRS and UGO is equivalent.
DATE	DATE	-
SMALLDATETIME	SMALLDATETIME	-
DATETIME	TIMESTAMP(3)	-
DATETIME2(n)	TIMESTAMP(n)	-
DATETIMEOFFSET(n)	TIMESTAMPTZ(n)	datetimeoffset datatype If you select Convert the datetimeoffset type to timestamptz, the storage of characters converted by DRS and UGO is equivalent.
TIME(p)	TIME(p)	-
TIMESTAMP	BYTEA	-
XML	XML	XML datatype If you select Convert XML data type to TEXT data type, the storage of characters converted by DRS and UGO is equivalent.
CHAR(n)	CHAR(n)	Mismatch character set If you select This config will adjust the size of CHAR(n), VARCHAR(n), and NCHAR(n) such that there will not be overflow, the storage of characters converted by DRS and UGO is equivalent.
VARCHAR(n)	VARCHAR(n)	Mismatch character set If you select This config will adjust the size of CHAR(n), VARCHAR(n), and NCHAR(n) such that there will not be overflow, the storage of characters converted by DRS and UGO is equivalent.
varchar(max)	TEXT	VARCHAR(MAX) datatype If you select Convert VARCHAR(MAX) data type to TEXT data type, the storage of characters converted by DRS and UGO is equivalent.
NCHAR(n)	NCHAR(n)	Mismatch character set If you select This config will adjust the size of CHAR(n), VARCHAR(n), and NCHAR(n) such that there will not be overflow, the storage of characters converted by DRS and UGO is equivalent.
NVARCHAR(n)	NVARCHAR2(n)	-
NVARCHAR(max)	TEXT	NVARCHAR(MAX) datatype If you select Convert NVARCHAR(MAX) data type to TEXT data type, the storage of characters converted by DRS and UGO is equivalent.
BINARY(n)	BYTEA	-
VARBINARY(n)	BYTEA	-
VARBINARY(MAX)	BYTEA	VARBINARY(MAX) datatype If you select Convert VARBINARY(MAX) data type to BYTEA data type, the storage of characters converted by DRS and UGO is equivalent.
IMAGE	BYTEA	IMAGE datatype If you select Convert IMAGE data type to BYTEA data type, the storage of characters converted by DRS and UGO is equivalent.
HIERARCHYID	BYTEA	HIERARCHYID datatype If you select Convert HIERARCHYID data type to BYTEA data type, the storage of characters converted by DRS and UGO is equivalent.
NTEXT	TEXT	NTEXT datatype If you select Convert NTEXT data type to TEXT data type, the storage of characters converted by DRS and UGO is equivalent.
TEXT	TEXT	TEXT datatype If you select Convert TEXT data type to TEXT data type, the storage of characters converted by DRS and UGO is equivalent.
UNIQUEIDENTIFIER	UUID	-