dba_data_files£º
file_name Êý¾ÝÎļþÃû¼°Â·¾¶
file_id Êý¾ÝÎļþ±êʶ
bytes Êý¾ÝÎļþ´óС
bocks Êý¾ÝÎļþ´óС¶ÔÓ¦µÄÊý¾Ý¿â¿éÊý
tablespace_name Êý¾ÝÎļþ¶ÔÓ¦µÄ±í¿Õ¼äÃû³Æ
autoextensible Êý¾Ý¿âÎļþÊÇ·ñ¿ÉÒÔ×Ô¶¯À©Õ¹
maxbytes
maxblocks ¸ÃÎļþ×î´ó¿ÉÒÔÀ©Õ¹µÄ×Ö½ÚÊý£¬¼°Êý¾Ý¿éÊý¡£
user_bytes
user_blocks ±íʾÓû§ËùÄÜʹÓõÄÊý¾ÝÎļþ´óС£¬Í¨¹ýµÈÓÚ datafile size-LMT/DMTËùʹÓõĿռ䡣
#¹ØÓÚ×Ô¶¯À©Õ¹ÊôÐÔ
alter tablespace ...
datafile '...' size ...
autoextent on
next ...
maxsize ...
#LML(local management tablespace)
alter tablespace ...
datafile '...' size ...
extent management local autoallocate/uniform size ...;
#DML(dictionary management tablespace)
create tablespace ...
datafile '...' size ...
extent management dictionary
blocksize ...
default storage (initial
next
minextents
maxextents
pctincrease )
v$datafile£ºÃèÊöÁËÊý¾ÝÎļþµÄͬ²½ÐÅÏ¢¡£
dba_free_space£º
bytes,blocks ±íʾ¸Ã±í¿Õ¼ä¿ÕÏпռä´óС¼°¿éÊý
v$filestat£º
phyrds,phywrts ±íʾÎïÀí´ÅÅ̶Á¡¢Ð´µÄÊý¾Ý¿â