SAP Table DDMTT

Nametab header structure for delayed writing

DDMTT (Nametab header 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 DDMTT to other SAP tables.

DDMTT table fields

Field Data element Checktable Datatype Length Decimals
TABNAME 4.0 version of TABNAME (name extension) V4TABNAME CHAR 30 0
MODEFLAG Results of Distribution Run (Table DDXTT) MODEFLAG CHAR 1 0
NULL Determine operation with nametab comparison
M Force modification with a transport request
S Structure change of system table/struct. (not from distrib.)
D Force deletion due to a transport request
- ----------------------------------------------------------
A Only activation
U Pass on to conversion program with TBATG entry
B Conversion of Shadow Table (Shadow Upgrade)
C External Conversion of Original Table (Shadow Upgrade)
F DDL Statements Generated, Written in TATAF
V As F, but Processed Chronologically After F Entries
P As V, but Processed in Basis Conversion (Shadow Upgrade)
X Mode Flag for Mass Deletion Program
J Like X, is processed in shadow upgrade
W As X, but Processed Chronologically Before X Entries
Y As X, but Processed Chronologically After X Entries
G The Generated Coding Also Contains ABAP Statements
E Error During Editing (Initial Value Was Space)
Q Error During Editing (Initial Value Was 'M')
R Error During Editing (Initial Value Was 'D')
Z As F, Temporarily in Upgrade (dipgntab)
1 Termination during editing (initial value was space)
2 Termination during editing (initial value was 'M')
3 Termination during editing (initial value was 'D')
DBASE Internal Name for Database INTBASE CHAR 1 0
UUID Global Unique ID for table UUID RAW 16 0
CRSTAMP Time of nametab generation CRSTAMP CHAR 14 0
ABSTAMP ABAP Time Stamp ABSTAMP CHAR 14 0
DYSTAMP Screen time stamp DYSTAMP CHAR 14 0
FLDCNT Number of table fields FLDCNT RAW 2 0
TABLEN Table length in bytes TABLENGTH RAW 4 0
KEYCNT Number of key fields in table KEYCNT RAW 1 0
KEYLEN Length of Table Key in Bytes KEYLENGTH RAW 2 0
CLPOS Position number of the client field in the table CLPOS RAW 1 0
TABTYPE Type of the Dictionary object TABTYPE CHAR 1 0
A not used
T Pooled, cluster, transparent table
L ABAP/4 Dictionary table (not used)
P Physical pooled table
C Physical cluster table
V View (not used)
J Table without DB representation, views
TABFORM How the Dictionary object is implemented in the database TABFORM CHAR 1 0
T Table/view which is stored transparently in the database
C Table which is stored in a physical cluster
P Table which is stored in a physical pool
V Projection view
J Table/view without implementation in DB
REFNAME Name of physical table (for pool/cluster/view) REFNAME CHAR 30 0
FLAGBYTE Flag of length 1 byte for table attributes TABFLAG_D RAW 1 0
EXROUT Flag if table to be compressed EXROUT RAW 1 0
FLAG3 Flag of length 1 byte for table attributes TABFLAG_D RAW 1 0
FLAG4 Flag of length 1 byte for table attributes TABFLAG_D RAW 1 0
FLAG5 Flag of length 1 byte for table attributes TABFLAG_D RAW 1 0
FLAG6 Flag of length 1 byte for table attributes TABFLAG_D RAW 1 0
BUFSTATE Buffering type of table BUFSTATE CHAR 1 0
NULL ' ': not buffered
P 'P': partially buffered
R 'R': resident, fully buffered
G 'G': generic buffering
BUFPARM Supplementary information in generic buffering BUFPARM RAW 2 0
ALIGN Table alignment ALIGNMENT RAW 1 0
POINTERLG Pointer length with which nametab was generated POINTERLG RAW 1 0
UNICODELG Unicode length with which runtime object was generated UNICODELG RAW 1 0
COMPCNT ABAP Dictionary: Number of Fields with Depth 0 DDCOMPCNT RAW 2 0
LEAFCNT ABAP Dictionary: Leaf Content of Structure DDLEAFCNT RAW 2 0
STATEFLAG Flag for SAP upgrade STATEFLAG CHAR 1 0
NULL Start of activation or activation successful
I Internal checks successful
U External checks for object OK or table as dependent faulty
TABLSIZE CHAR 7 0