异构关系数据库（Sqlserver与MySql）之间的数据类型转换参考

一、SqlServer到MySql的数据类型的转变

编号	SqlServer	ToMySql	MySql
1	binary(50)	LONGBLOB	binary
2	bit	CHAR(1)	bit
3	char(10)	VARCHAR(10)	char
4	date	VARCHAR(10)	date
5	datetime	UNKNOWN	datetime
6	datetime2(7)	VARCHAR(27)	datetime
7	datetimeoffset(7)	VARCHAR(34)	datetime
8	decimal(18, 0)	BIGINT	decimal
9	float	DOUBLE	float
10	nchar(10)	Varchar(10)	nvarchar(10)
11	numeric(18, 0)	BIGINT	real
12	nvarchar(50)	VARCHAR(50)	nvarchar(50)
13	nvarchar(MAX)	MEDIUMTEXT	nvarchar
14	real	DOUBLE	real
15	smallmoney	DOUBLE	decimal(10,4)
16	text	MEDIUMTEXT	text
17	time(7)	VARCHAR(16)	time
18	timestamp	LONGBLOB	timestamp
19	varbinary(50)	LONGBLOB	varbinary
20	varbinary(MAX)	LONGBLOB	varbinary
21	varchar(MAX)	MEDIUMTEXT	varchar
22	uniqueidentifier	VARCHAR(36)	VARCHAR(36)
23	geography	LONGBLOB	LONGBLOB
24	geometry	LONGBLOB	LONGBLOB
25	hierarchyid	LONGBLOB	LONGBLOB
26	bigint	BIGINT	bigint
27	image	LONGBLOB	longblob
28	int	INT	int
29	money	DECIMAL(19,4)	decimal(19,4)
30	ntext	MEDIUMTEXT	mediumtext
31	smalldatetime	DATETIME	datetime
32	smallint	INT	int
33	sql_variant	TEXT	text
34	tinyint	INT	int
35	Varchar(50)	VARCHAR(50)	Varchar(50)
36	xml	MEDIUMTEXT	mediumtext

二、MySql到Sqlserver的数据类型的转变

编号	MySql	ToSqlServer	SqlServer
1	DECIMAL/DECIMAL(10)	BIGINT	DECIMAL
2	BLOB	VARCHAR(100)	IMAGE
3	BLOB(10)	VARCHAR(100)	IMAGE
4	BINARY	UNKNOWN	BINARY
5	LONGBLOB	VARCHAR(100)	IMAGE
6	MEDIUMBLOB	VARCHAR(100)	IMAGE
7	TINYBLOB	VARCHAR(100)	IMAGE
8	VARBINARY(10)	VARCHAR(100)	VARBINARY
9	DATE	DATETIME	DATE
10	TIME	DATETIME	TIME
11	TIMESTAMP	DATETIME	TIMESTAMP
12	YEAR	DATETIME	INT
13	DECIMAL(10)	BIGINT	DECIMAL
14	DOUBLE	FLOAT(53)	REAL
15	REAL	FLOAT(53)	REAL
16	CHAR	VARCHAR	CHAR
17	NVARCHAR	VARCHAR	NVARCHAR
18	TEXT	VARCHAR	TEXT
19	TINYTEXT	VARCHAR	TEXT
20	BIT	VARCHAR	BIT
21	ENUM	VARCHAR	VARCHAR2
22	SET	VARCHAR	VARCHAR2
23	GEOMETRY	UNKNOWN	TEXT
24	GEOMETRYCOLLECTION	UNKNOWN	TEXT
25	MULTILINESTRING	UNKNOWN	TEXT
26	LINESTRING	UNKNOWN	TEXT
27	MULTIPOINT	UNKNOWN	TEXT
28	MULTIPOLYGON	UNKNOWN	TEXT
29	POINT	UNKNOWN	TEXT
30	POLYGON	UNKNOWN	TEXT
31	INT	INT	INT
32	VARCHAR(20)	VARCHAR(20)	VARCHAR(20)
33	DATETIME	DATETIME	DATETIME
34	DATETIME(6)	DATETIME	DATETIME
35	FLOAT	FLOAT	FLOAT
36	INT(8)	INT	INT
37	MEDIUMINT(10)	INT	INT
38	SMALLINT(2)	INT	INT
39	TINYINT(2)	INT	INT
40	LONGTEXT	TEXT	TEXT
41	MEDIUMTEXT	TEXT	TEXT