Data Element list used by SAP ABAP Table DDFLG1 (Flag byte 1 of nametab for field attributes)
SAP ABAP Table 
DDFLG1 (Flag byte 1 of nametab for field attributes) is using
| # | Object Type | Object Name | Object Description | Note |
|---|---|---|---|---|
 |
|
|||
| 1 |  Data Element |
CHECKFLAG | No check in Screen Painter | |
| 2 | Data Element |
KEYFLAG | Identifies a key field of a table | |
| 3 | Data Element |
LOGFLAG | Indicator for writing change documents | |
| 4 | Data Element |
LOWERCASE | Lowercase letters allowed/not allowed | |
| 5 | Data Element |
NOTNULL | Indicator for initial values in database fields | |
| 6 | Data Element |
NULLABLE | Null values allowed | |
| 7 | Data Element |
SIGNFLAG | Flag for sign in numerical fields | |
| 8 | Data Element |
VALEXI | Existence of fixed values | |
