四讲表空间的创建和维护4.1创建表空间4.2维护表空间和数据文件利用CREATE TABLESPACE命令创建和管理表空间法格式:CREATE TABLESPACE tablespace_nameDATAFILE path/filename SIZE integer K | M REUSE AUTOEXTEND OFF |ON NEXT integer K | M MAXSIZE UnLIMITED | integer K | M MINMUM EXTENT integer K | M DEFAULT STORAGE storage_clause ONLINE | OFFLINE LOGGING | NOLOGGING PERMANENT | TEMPORARY EXTENT MANAGEMENT DICTIONARYI LOCAL AUTOALLOCATE | UNIFORM SIZE integ