Oracle表空间的创建之实例

作者：雨竹清风1.首先查询系统中的表空间所对应的数据文件和它们的大小。SQL> desc dba_data_files; 名称 是否为空? 类型 ------------------------------------- -------- -------------------- FILE_NAME VARCHAR2(513) FILE_ID NUMBER TABLESPACE_NAME VARCHAR2(30) BYTES NUMBER BLOCKS NUMBER STATUS VARCHAR2(9) RELATIVE_FNO NUMBER AUTOEXTENSIBLE VARCHAR2(3) MAXBYTES NUMBER MAXBLOCKS NUMBER INCREMENT_BY NUMBER USER_BYTES NUMBER USER_BLOCKS NUMBER ONLINE_STATUS VARCHAR2(7) SQL> col file_name for a40SQL> col tablespace_name for a15SQL> select file_id,file_name,tablespace_name,bytes/(1024*1024) MB 2 from dba_data_files; FILE_ID FILE_NAME TABLESPACE_NAME MB ---------- ---------------------------------------- --------------- ---------- 4 C:\DISK3\ORACLE\PRODUCT\10.2.0\ORADATA\O USERS 5 RCL\USERS01.DBF 3 D:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\SY SYSAUX 260 SAUX01.DBF 2 D:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\UN UNDOTBS1 35 DOTBS01.DBF 1 C:\DISK4\ORACLE\PRODUCT\10.2.0\ORADATA\O SYSTEM 480 RCL\SYSTEM01.DBF FILE_ID FILE_NAME TABLESPACE_NAME MB ---------- ---------------------------------------- --------------- ---------- 5 D:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\EX EXAMPLE 100 AMPLE01.DBF 6 D:\ORACLE\PRODUCT\10.2.0\USER_TABLESPACE XUANXUAN 100 \XUANXUAN.DBF 9 D:\ORACLE\PRODUCT\10.2.0\USER_TABLESPACE XUANXUAN 80 \XUANXUAN02.DBF 已选择7行。2.查询是否是本地管理以及大小SQL> desc dba_tablespaces; 名称 是否为空? 类型 ----------------------------------------- -------- ---------------------------- TABLESPACE_NAME NOT NULL VARCHAR2(30) BLOCK_SIZE NOT NULL NUMBER INITIAL_EXTENT NUMBER NEXT_EXTENT NUMBER MIN_EXTENTS NOT NULL NUMBER MAX_EXTENTS NUMBER PCT_INCREASE NUMBER MIN_EXTLEN NUMBER STATUS VARCHAR2(9) CONTENTS VARCHAR2(9) LOGGING VARCHAR2(9) FORCE_LOGGING VARCHAR2(3) EXTENT_MANAGEMENT VARCHAR2(10) ALLOCATION_TYPE VARCHAR2(9) PLUGGED_IN VARCHAR2(3) SEGMENT_SPACE_MANAGEMENT VARCHAR2(6) DEF_TAB_COMPRESSION VARCHAR2(8) RETENTION VARCHAR2(11) BIGFILE VARCHAR2(3)SQL> select tablespace_name,block_size,extent_management, SEGMENT_SPACE_MANAGEMENT, MIN_EXTLEN from dba_tablespaces; TABLESPACE_NAME BLOCK_SIZE EXTENT_MAN SEGMEN MIN_EXTLEN --------------- ---------- ---------- ------ ---------- SYSTEM 8192 LOCAL MANUAL 65536 UNDOTBS1 8192 LOCAL MANUAL 65536 SYSAUX 8192 LOCAL AUTO 65536 TEMP 8192 LOCAL MANUAL 1048576 USERS 8192 LOCAL AUTO 65536 EXAMPLE 8192 LOCAL AUTO 65536 XIXI_TEMP 8192 LOCAL MANUAL 2097152 XUANXUAN 8192 LOCAL AUTO 131072 已选择8行。 3.查询当前数据库中的每个临时文档所对应的数据文件信息SQL> col FILE for a40SQL> select f.file#,t.ts#,f.name "FILE",t.name "TABLESPACE_NAME" 2 from v$tempfile f,v$tablespace t 3 where f.ts# = t.ts#; FILE# TS# FILE TABLESPACE_NAME ---------- ---------- ---------------------------------------- --------------- 1 3 D:\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\TE TEMP MP01.DBF 2 10 D:\ORACLE\PRODUCT\10.2.0\USER_TABLESPACE XIXI_TEMP \XIXI_TEMP.DBF 4.创建表空间1）数据表空间的创建SQL> create tablespace China_data 2 datafile 'C:\disk1\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\China_data.dbf' 3 size 100 M 4 extent management local 5 uniform size 1 M; 表空间已创建。 2）索引表空间的创建SQL> create tablespace China_index 2 datafile 'C:\disk2\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\China_index.dbf' 3 size 100 M 4 extent management local 5 uniform size 1 M; 表空间已创建。 3）还原表空间的创建SQL> create undo tablespace China_undo 2 datafile 'C:\disk3\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\China_undo.dbf' 3 size 50 M 4 extent management local; 表空间已创建。 4）临时表空间的创建SQL> create temporary tablespace China_temp 2 tempfile 'C:\disk4\ORACLE\PRODUCT\10.2.0\ORADATA\ORCL\China_temp.dbf' 3 size 50 M 4 extent management local 5 uniform size 2 M; 表空间已创建。5.查询是否已经成功创建SQL> col file_name for a40SQL> col tablespace_name for a15SQL> select file_id,file_name,tablespace_name,bytes/(1024*1024) MB 2 from dba_data_files 3 where tablespace_name like '%CHINA%';一定要大写，否则会出现未定行等错误 FILE_ID FILE_NAME TABLESPACE_NAME MB ---------- ---------------------------------------- --------------- ---------- 7 C:\DISK1\ORACLE\PRODUCT\10.2.0\ORADATA\O CHINA_DATA 100 RCL\CHINA_DATA.DBF 8 C:\DISK2\ORACLE\PRODUCT\10.2.0\ORADATA\O CHINA_INDEX 100 RCL\CHINA_INDEX.DBF 10 C:\DISK3\ORACLE\PRODUCT\10.2.0\ORADATA\O CHINA_UNDO 50 RCL\CHINA_UNDO.DBF 6.查询临时表空间SQL> select f.file#,t.ts#,f.name "FILE",t.name "tablespace_name" 2 from v$tempfile f,v$tablespace t 3 where f.ts# =t.ts# 4 and t.name like '%CHINA%'; FILE# TS# FILE tablespace_name ---------- ---------- ---------------------------------------- --------------- 3 16 C:\DISK4\ORACLE\PRODUCT\10.2.0\ORADATA\O CHINA_TEMP RCL\CHINA_TEMP.DBF