SQLServer,MySQL和Java类型的映射关系

S SQL Server Typeype

JDBC Type JDBC Type

Java Type Java Type

Mock Default value

说明说明

bigint

BIGINT

long

0

timestamp

BINARY

byte[]

Null

Use INSERT with a column list to exclude the timestamp column,

or insert a DEFAULT into the timestamp column.

binary

bit

BIT

boolean

False

char

CHAR

String

X

decimal

DECIMAL

java.math.BigDecimal

BigDecimal.ZERO(0)

money

smallmoney

float

DOUBLE

double

0.0

int

INTEGER

int

0

image

LONGVARBINARY

byte[]

Null

varbinary(max)

varchar(max)

LONGVARCHAR

String

“Test”

text

nchar

CHAR

String

0

NCHAR (Java SE 6.0)

nvarchar

VARCHAR

String

"TT"

NVARCHAR (Java SE 6.0)

nvarchar(max)

LONGVARCHAR

String

"TT"

ntext

numeric

NUMERIC

java.math.BigDecimal

BigDecimal.ZERO(0)

real

REAL

float

0.0

smallint

SMALLINT

Short

0

datetime

TIMESTAMP

java.sql.Timestamp

"2012-01-01 10:00:00"

smalldatetime

varbinary

VARBINARY

byte[]

Null

varchar

VARCHAR

String

“TT”

tinyint

SMALLINT

Short

0

guid

NVARCHAR

String

“TT”

Length limit

xml

LONGVARCHAR

String

“TT”

time

TIME 

java.sql.Time

"10:00:00"

date

DATE

java.sql.Date

"2012-01-01"

datetime2

TIMESTAMP

java.sql.Timestamp

"2012-01-01 10:00:00"

datetimeoffset

microsoft.sql.Types.

DATETIMEOFFSET

microsoft.sql.DateTimeOffset

"2012-01-01 10:00:00"