Hola,
Te dejo algunos ejemplos, de todos modos en la documentacion oficial hay un apartado donde estan todas las opciones de configuracion del SQL*Plus.
Código:
oracle@10G> select owner, segment_name, tablespace_name, bytes from dba_segments where rownum < 10;
OWNER
------------------------------
SEGMENT_NAME
---------------------------------------------------------------------------------
TABLESPACE_NAME BYTES
------------------------------ ----------
SYS
CON$
SYSTEM 393216
SYS
UNDO$
SYSTEM 65536
SYS
PROXY_ROLE_DATA$
SYSTEM 65536
SYS
FILE$
SYSTEM 65536
SYS
PROXY_DATA$
SYSTEM 65536
SYS
BOOTSTRAP$
SYSTEM 65536
SYS
OBJ$
SYSTEM 2097152
SYS
OBJAUTH$
SYSTEM 131072
SYS
UGROUP$
SYSTEM 65536
9 filas seleccionadas.
Transcurrido: 00:00:00.25
Código:
oracle@10G> set lines 150
oracle@10G> col owner format a15
oracle@10G> col segment_name format a30
oracle@10G> col tablespace_name format a15
oracle@10G> col bytes format 999999999
oracle@10G> r
1* select owner, segment_name, tablespace_name, bytes from dba_segments where rownum < 10
OWNER SEGMENT_NAME TABLESPACE_NAME BYTES
--------------- ------------------------------ --------------- ----------
SYS CON$ SYSTEM 393216
SYS UNDO$ SYSTEM 65536
SYS PROXY_ROLE_DATA$ SYSTEM 65536
SYS FILE$ SYSTEM 65536
SYS PROXY_DATA$ SYSTEM 65536
SYS BOOTSTRAP$ SYSTEM 65536
SYS OBJ$ SYSTEM 2097152
SYS OBJAUTH$ SYSTEM 131072
SYS UGROUP$ SYSTEM 65536
9 filas seleccionadas.
Transcurrido: 00:00:00.03
Saludos