SSIS – SQL Server data type

This blog post here on BI Developer Network contains a nice list on data conversion between SSIS and SQL server, something that gets my blood pressure going due to SSIS’s ‘check your metadata’ error message. Good cheat sheet that list the data types.

 

SSIS Data Type

SSIS Expression

SQL Server

single-byte signed integer

(DT_I1)

 

two-byte signed integer

(DT_I2)

smallint

four-byte signed integer

(DT_I4)

int

eight-byte signed integer

(DT_I8)

bigint

single-byte unsigned integer

(DT_UI1)

tinyint

two-byte unsigned integer

(DT_UI2)

 

four-byte unsigned integer

(DT_UI4)

 

eight-byte unsigned integer

(DT_UI8)

 

float

(DT_R4)

real

double-precision float

(DT_R8)

float

string

(DT_STR, «length», «code_page»)

char, varchar

Unicode text stream

(DT_WSTR, «length»)

nchar, nvarchar, sql_variant, xml

date

(DT_DATE)

date

Boolean

(DT_BOOL)

bit

numeric

(DT_NUMERIC, «precision», «scale»)

decimal, numeric

decimal

(DT_DECIMAL, «scale»)

decimal

currency

(DT_CY)

smallmoney, money

unique identifier

(DT_GUID)

uniqueidentifier

byte stream

(DT_BYTES, «length»)

binary, varbinary, timestamp

database date

(DT_DBDATE)

date

database time

(DT_DBTIME)

 

database time with precision

(DT_DBTIME2, «scale»)

time(p)

database timestamp

(DT_DBTIMESTAMP)

datetime, smalldatetime

database timestamp with precision

(DT_DBTIMESTAMP2, «scale»)

datetime2

database timestamp with timezone

(DT_DBTIMESTAMPOFFSET, «scale»)

datetimeoffset(p)

file timestamp

(DT_FILETIME)

 

image

(DT_IMAGE)

image

text stream

(DT_TEXT, «code_page»)

text

Unicode string

(DT_NTEXT)

ntext

 

Credit goes to their user, DevinKnight.

 

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