本地管理
CREATE [UNDO] TABLESPACE tablespace_name [DATAFILE datefile_spec1 [,datefile_spec2] ...... [ { MININUM EXTENT integer [k|m] | BLOCKSIZE integer [k] |logging clause |FORCE LOGGING |DEFAULT {data_segment_compression} storage_clause |[online|offline] |[PERMANENT|TEMPORARY] |EXTENT MANAGEMENT LOCAL |SEGMENT SPACE MANAGEMENT AUTO |UNIFORM [SIZE INTETER [K|M] ]}]关键字EXTENT MANAGEMENT LOCAL 指定这是一个本地化管理的表空间。关键字AUTOALLOCATE 还是 UNIFORM.。若为AUTOALLOCATE,则表明让