Вот что ноты нам говорят:
Note 636217 - DDIC activation error as table width greater than 1962 bytes:
"Since SAP supports several different database platforms, the ABAP Data Dictionary must ensure that tables are defined so that they can be created on all of the supported platforms..."
То есть: as of Basis Release 6.20 SP25 table width restriction (recommended, not hardcoded) is 4030 characters. If greater - problems can arise while migrating to abother DB platform.
Oracle 10.2:
max number of columns = 1000
max line length (table width) = 32767 bytes
max field length = unlimited
Но наверное как то обойти можно 1000 - кластерную таблицу создать или еще что придумать...
See also:
Note 1029391 - Lenght extension of data structure
Note 355898 - Restrictions on transparent tables
Note 545923 - FAQ: Tech. restrictions/customer namespace/permitted chars
Logical Database Limits
http://download-east.oracle.com/docs/cd ... tm#i288032
Удачи!