SQL 类型	Java 类型
CHAR	String
VARCHAR	String
TEXT	String
NUMERIC	java.math.BigDecimal
DECIMAL	java.math.BigDecimal
MONEY	java.math.BigDecimal
SMALLMONEY	java.math.BigDecimal
UNSIGNED BIGINT	java.math.BigDecimal (precision=20, scale=0)
BIT	boolean
TINYINT	byte
SMALLINT	short
UNSIGNED SMALLINT	int
INTEGER	int
UNSIGNED INTEGER	long
BIGINT	long
REAL	float
FLOAT	double
DOUBLE	double
BINARY	byte[ ]
VARBINARY	byte[ ]
LONG BINARY	byte[ ]
IMAGE	byte[ ]
DATE	java.sql.Date
TIME	java.sql.Time
TIMESTAMP	java.sql.Timestamp