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SAP Table DDMTF

Nametab Field Structure for Delayed Writing

DDMTF (Nametab Field Structure for Delayed Writing) is a standard table in SAP R\3 ERP systems. Below you can find the technical details of the fields that make up this table. Key fields are marked in blue.

Additionally we provide an overview of foreign key relationships, if any, that link DDMTF to other SAP tables.

DDMTF table fields

Field

Data element

Checktable

Datatype

Length

Decimals

Possible values

TABNAME

4.0 version of TABNAME (name extension)

V4TABNAME

CHAR

MODEFLAG

Activation flag

ACTFLAG

CHAR

Value	Description
NULL	Start of activation or activation successful
I	Internal checks successful
U	External checks for object OK or table as dependent faulty

POSITION

Position of the field in the table

TABFDPOS

NUMC

FLAG1

Flag 1 length 1 byte for field attributes

FDFLAG1

RAW

FLAG2

Flag 2 length 1 byte for field attributes

FDFLAG2

RAW

FLAG3

Flag 1 length 1 byte for field attributes

FDFLAG1

RAW

FLAG4

Flag 2 length 1 byte for field attributes

FDFLAG2

RAW

DBTABPOS

Position number of table field in database

FLPOS

RAW

FIELDTYPE

ABAP data type (coded)

FLDTYPE

RAW

OFFSET

Table field offset

ROFFSET

RAW

DBLENGTH

Length of field in ABAP

DBLENGTH

RAW

DBLENGTH2

ABAP Dictionary: Length on Database

DBLENGTH2

RAW

EXLENGTH

Field output length

OUTLENGTH

RAW

DECIMALS

Number of decimal places in the field

INTDECIM

RAW

DEPTH

Depth in nested structures

DDDEPTH

RAW

FLDALIGN

Alignment of types with different pointer lengths

FLDALIGN

RAW

FIELDNAME

Field Name

FIELDNAME

CHAR

ROLLNAME

Data element (semantic domain)

ROLLNAME

CHAR

ABTYPE

ABAP data type (nametab interface coded)

ABTYPE

RAW

DTYP

Data Type in ABAP Dictionary

DATATYPE_D

CHAR

Value	Description
ACCP	Posting period YYYYMM
CHAR	Character String
CLNT	Client
CUKY	Currency key, referenced by CURR fields
CURR	Currency field, stored as DEC
D16D	Decimal Floating Point, 16 Digits, DEC on Database
D16R	Decimal Floating Point, 16 Digits, RAW on Database
D16S	Decimal Floating Point. 16 Digits, with Scale Field
D34D	Decimal Floating Point, 34 Digits, DEC on Database
D34R	Decimal Floating Point, 34 Digits, RAW on Database
D34S	Decimal Floating Point, 34 Digits, with Scale Field
DATS	Date field (YYYYMMDD) stored as char(8)
DEC	Counter or amount field with comma and sign
FLTP	Floating point number, accurate to 8 bytes
INT1	1-byte integer, integer number <= 255
INT2	2-byte integer, only for length field before LCHR or LRAW
INT4	4-byte integer, integer number with sign
LANG	Language key
LCHR	Long character string, requires preceding INT2 field
LRAW	Long byte string, requires preceding INT2 field
NUMC	Character string with only digits
PREC	Obsolete data type, do not use
QUAN	Quantity field, points to a unit field with format UNIT
RAW	Uninterpreted sequence of bytes
RSTR	Byte String of Variable Length
SSTR	Short Character String of Variable Length
STRG	Character String of Variable Length
TIMS	Time field (hhmmss), stored as char(6)
UNIT	Unit key for QUAN fields
VARC	Long character string, no longer supported from Rel. 3.0

EXID

ABAP data type (C,D,N,...)

INTTYPE

CHAR

Value	Description
C	Character String
N	Character String with Digits Only
D	Date (Date: YYYYMMDD)
T	Time (Time: HHMMSS)
X	Byte Seq. (heXadecimal), in DDIC metadata also for INT1/2/4
I	Integer number (4-byte integer with sign)
b	1-byte integer, integer number <= 254
s	2-byte integer, only for length field before LCHR or LRAW
P	Packed number
F	Floating point number to accuracy of 8 bytes
g	Character string with variable length (ABAP type STRING)
y	Byte sequence with variable length (ABAP type XSTRING)
u	Structured type, flat
v	Structured type, deep
h	Table type
V	Character string (old Dictionary type VARC)
r	Reference to class/interface
l	Reference to data object
a	Decimal Floating Point Number, 16 Digits
e	Decimal Floating Point Number, 34 Digits
j	Static Boxed Components
k	Generic Boxed Components

REFTABLE

Table for reference field

REFTABLE

CHAR

REFFIELD

Reference field for currency and qty fields

REFFIELD

CHAR

PRECFIELD

Internal precision

PRECINTERN

RAW

CONVEXIT

Conversion Routine

CONVEXIT

CHAR

MEMORYID

Set/Get parameter ID

MEMORYID

CHAR

CHECKTABLE

Check table name of the foreign key

CHECKTABLE

CHAR

DIGITS

Dictionary length for DEC, CURR, QUAN types

DDINTLENG

RAW