Data type

C#

CHAR(size)

string

VARCHAR(size)

string

BINARY(size)

byte[],object

VARBINARY(size)

byte[],object

TINYBLOB

btye[],object

TINYTEXT

string

TEXT(size)

string

BLOB(size)

byte[],object

MEDIUMTEXT

string

MEDIUMBLOB

byte[],object

LONGTEXT

string

LONGBLOB

byte[],object

ENUM(val1, val2, val3, ...)

string

SET(val1, val2, val3, ...)

BIT(size)

bit

TINYINT(size)

byte

BOOL

bool

BOOLEAN

bool

SMALLINT(size)

short

MEDIUMINT(size)

short

INT(size)

int32

INTEGER(size)

int32

BIGINT(size)

long

FLOAT(size, d)

float

FLOAT(p)

float

DOUBLE(size, d)

double

DOUBLE PRECISION(size, d)

double

DECIMAL(size, d)

decimal

DEC(size, d)

decimal

DATE

DateTime

DATETIME(fsp)

DateTime

TIMESTAMP(fsp)

DateTime

TIME(fsp)

DateTime

YEAR

short

Name

C#

Bigint, int8

long

Bigserial,  serial8

long

bit  [ (n) ]

bit[]

bit  varying [ (n) ], varbit [ (n) ]

bit[]

Boolean,  bool

bool

box

object

bytea

byte[]

character  [ (n) ], char [ (n) ]

string

character  varying [ (n) ], varchar [ (n) ]

string

cidr

object

circle

object

date

DateTime

double  precision, float8

double

inet

object

Integer,  int, int4

int

interval  [ fields ] [ (p) ]

string

json

string

jsonb

string

line

object

lseg

object

macaddr

object

macaddr8

object

money

Decimal

numeric  [ (p, s) ], decimal [ (p, s) ]

decimal

path

object

pg_lsn

object

pg_snapshot

object

point

object

polygon

object

Real,  float4

float

Smallint,  int2

Short

Smallserial,  serial2

short

Serial,  serial4

int

text

string

time  [ (p) ] [ without time zone ]

DateTime

time  [ (p) ] with time zone, timetz

DateTimeOffset

timestamp  [ (p) ] [ without time zone ]

DateTime

timestamp  [ (p) ] with time zone, timestamptz

DateTimeOffset

tsquery

object

tsvector

object

txid_snapshot

object

uuid

GUID

xml

string