UltraSQL / sqlserver-kit (SQLServer DBA )高手

https://github.com/UltraSQL/sqlserver-kit/blob/master/SQL%20Server%20Data%20Types.md

SQL Server to MySQL, Oracle, PostgreSQL, SQLite Data Type Mapping

General Type	Type	MySQL	Oracle	PostgreSQL	SQLite
Exact Numerics	bit	TINYINT(1)	NUMBER(3)	BOOLEAN	INTEGER
Exact Numerics	tinyint	TINYINT(signed)	NUMBER(3)	SMALLINT	INTEGER
Exact Numerics	smallint	SMALLINT	NUMBER(5)	SMALLINT	INTEGER
Exact Numerics	int	MEDIUMINT, INT	NUMBER(10)	INT	INTEGER
Exact Numerics	bigint	BIGINT	NUMBER(19)	BIGINT	INTEGER
Exact Numerics	decimal	DECIMAL	NUMBER(p[,s])	DECIMAL(p,s)	REAL
Exact Numerics	smallmoney	DOUBLE	NUMBER(10,4)	MONEY	REAL
Exact Numerics	money	DOUBLE	NUMBER(19,4)	MONEY	REAL
Approximate Numerics	float	FLOAT DOUBLE; REAL	FLOAT(49)	DOUBLE PRECISION	REAL
Date and Time	date	DATE		DATE	TEXT
Date and Time	smalldatetime	TIMESTAMP	DATE	TIMESTAMP(0)	TEXT
Date and Time	time	TIME		TIME	TEXT
Date and Time	datetime2	DDATETIME		TIMESTAMP	TEXT
Date and Time	datetime		DATE	TIMESTAMP(3)	TEXT
Date and time	datetimeoffset			TIMESTAMP with time zone	TEXT
Caracter Strings	char	CHAR	CHAR	CHAR	TEXT
Caracter Strings	varchar	VARCHAR	VARCHAR2	VARCHAR	TEXT
Caracter Strings	varchar		VARCHAR2	TEXT	TEXT
Caracter Strings	nchar	NCHAR		NCHAR	TEXT
Caracter Strings	nvarchar		NCHAR	VARCHAR	TEXT
Caracter Strings	nvarchar	VARCHAR TINYTEXT TEXT(M) MEDIUMTEXT LONGTEXT	NCHAR	TEXT	TEXT
Caracter Strings	ntext		LONG	TEXT	TEXT
Caracter Strings	text		LONG	TEXT	TEXT
Binary Strings	image	LONGBLOB	LONG RAW	BYTEA	BLOB
Binary Strings	binary	BINARY	RAW	BYTEA	BLOB
Binary Strings	varbinary		RAW	BYTEA	BLOB
Binary Strings	varbinary	VARBINARY(M) TINYBLOB BLOB MEDIUMBLOB LONGBLOB	RAW	BYTEA	BLOB
Other Data Types	cursor				TEXT
Other Data Types	sql_variant	BLOB			TEXT
Other Data Types	hierarchyid				TEXT
Other Data Types	rowversion			BYTEA	TEXT
Other Data Types	timestamp		RAW	BYTEA	TEXT
Other Data Types	uniqueidentifier	CHAR	CHAR(36)	CHAR(16)	TEXT
Other Data Types	xml			XML	TEXT
Other Data Types	table				-
Spatial Data Types	geometry			VARCHAR	TEXT
Spatial Data Types	geography			VARCHAR	TEXT

(* These data types will be removed in a future version of SQL Server. Avoid using these data types in new projects, and try to change them in current projects)