SAP table RFC_DB_FLD (RFC Table Read: Description of Fields to Retrieve)

Field Description Data Type Length Decimals Checktable Data Element
FIELDNAME Field Name CHAR 30 0 * FIELDNAME
OFFSET Offset of a field NUMC 6 0 DOFFSET
LENGTH Length (No. of Characters) NUMC 6 0 DDLENG
TYPE ABAP data type (C,D,N,...) CHAR 1 0 INTTYPE
8 Whole Number (8-Byte Integer with Sign)
a Decimal Floating Point Number, 16 Digits
b 1-byte integer, whole number <= 254
C Character String
D Date (YYYYMMDD)
e Decimal Floating Point Number, 34 Digits
F Floating point number to accuracy of 8 bytes
g Character string with variable length (ABAP type STRING)
h Table type
I Integer number (4-byte integer with sign)
j Static Boxed Components
k Generic Boxed Components
l Reference to data object
N Character String with Digits Only
P Packed number
p Time stamp 'yyyy-mm-dd hh:mm:ss[.nnnnnnn]'
r Reference to class/interface
s 2-byte integer, only for length field before LCHR or LRAW
T Time (HHMMSS)
u Structured type, flat
V Character string (old dictionary type VARC)
v Structured type, deep
X Byte string (hexadecimal), in DDIC metadata also INT1/2/4
y Byte string with variable length (ABAP type XSTRING)
z Node Line for Stuctured Objects
FIELDTEXT Short Description of Repository Objects CHAR 60 0 AS4TEXT