Oracle表空间-OMF管理表空间
发布时间：2020-12-12 14:26:44 所属栏目：百科 来源：网络整理
导读：1、指定目录 SQL alter system set db_create_file_dest='C:orcl1122disk7'; System altered 2、创建表空间 SQL create tablespace myoracle; Tablespace created 3、查看 SQL select * from dba_data_files where tablespace_name='MYORACLE'; FILE_NAME
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1、指定目录 SQL> alter system set db_create_file_dest='C:orcl1122disk7'; System altered 2、创建表空间 SQL> create tablespace myoracle; Tablespace created 3、查看 SQL> select * from dba_data_files where tablespace_name='MYORACLE'; FILE_NAME FILE_ID TABLESPACE_NAME BYTES BLOCKS STATUS RELATIVE_FNO AUTOEXTENSIBLE MAXBYTES MAXBLOCKS INCREMENT_BY USER_BYTES USER_BLOCKS ONLINE_STATUS -------------------------------------------------------------------------------- ---------- ------------------------------ ---------- ---------- --------- ------------ -------------- ---------- ---------- ------------ ---------- ----------- ------------- C:ORCL1122DISK7ORCLDATAFILEO1_MF_MYORACLE_DW6X2HYZ_.DBF 8 MYORACLE 104857600 12800 AVAILABLE 8 YES 3435972198 4194302 12800 103809024 12672 ONLINE 4、增加一个数据文件 SQL> alter tablespace myoracle add datafile size 50M; Tablespace altered 5、查看 数据文件随机命名 SQL> select * from dba_data_files where tablespace_name='MYORACLE'; FILE_NAME FILE_ID TABLESPACE_NAME BYTES BLOCKS STATUS RELATIVE_FNO AUTOEXTENSIBLE MAXBYTES MAXBLOCKS INCREMENT_BY USER_BYTES USER_BLOCKS ONLINE_STATUS -------------------------------------------------------------------------------- ---------- ------------------------------ ---------- ---------- --------- ------------ -------------- ---------- ---------- ------------ ---------- ----------- ------------- C:ORCL1122DISK7ORCLDATAFILEO1_MF_MYORACLE_DW6X2HYZ_.DBF 8 MYORACLE 104857600 12800 AVAILABLE 8 YES 3435972198 4194302 12800 103809024 12672 ONLINE C:ORCL1122DISK7ORCLDATAFILEO1_MF_MYORACLE_DW6X7HN8_.DBF 11 MYORACLE 52428800 6400 AVAILABLE 11 NO 0 0 0 51380224 6272 ONLINE 6、删除空间myoracle SQL> drop tablespace myoracle; Tablespace dropped 7、查看： SQL> select * from dba_data_files where tablespace_name='MYORACLE'; FILE_NAME FILE_ID TABLESPACE_NAME BYTES BLOCKS STATUS RELATIVE_FNO AUTOEXTENSIBLE MAXBYTES MAXBLOCKS INCREMENT_BY USER_BYTES USER_BLOCKS ONLINE_STATUS -------------------------------------------------------------------------------- ---------- ------------------------------ ---------- ---------- --------- ------------ -------------- ---------- ---------- ------------ ---------- ----------- ------------- 木有了 （编辑：李大同） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |