创建/扩展表空间（导入导出等）

-- 查看所有表空间的数据使用情况
SELECT Upper(F.TABLESPACE_NAME) "表空间名",
D.TOT_GROOTTE_MB "表空间大小(M)",
D.TOT_GROOTTE_MB - F.TOTAL_BYTES "已使用空间(M)",
To_char(Round(( D.TOT_GROOTTE_MB - F.TOTAL_BYTES ) / D.TOT_GROOTTE_MB * 100, 2), '990.99')
|| '%' "使用比",
F.TOTAL_BYTES "空闲空间(M)",
F.MAX_BYTES "最大块(M)"
FROM (SELECT TABLESPACE_NAME,
Round(Sum(BYTES) / ( 1024 * 1024 ), 2) TOTAL_BYTES,
Round(Max(BYTES) / ( 1024 * 1024 ), 2) MAX_BYTES
FROM SYS.DBA_FREE_SPACE
GROUP BY TABLESPACE_NAME) F,
(SELECT DD.TABLESPACE_NAME,
Round(Sum(DD.BYTES) / ( 1024 * 1024 ), 2) TOT_GROOTTE_MB
FROM SYS.DBA_DATA_FILES DD
GROUP BY DD.TABLESPACE_NAME) D
WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME
ORDER BY 1

--查询该用户下的默认临时表空间
select * from database_properties where property_name='DEFAULT_TEMP_TABLESPACE'

--查看表空间
select file_name , tablespace_name TOTAL_BYTES from dba_data_files

--创建表空间
create tablespace qydj datafile '/datas/oracle/devorcl/qydj.dbf' size 1024M autoextend on next 256M;

--扩展表空间
alter tablespace NB_SFY add datafile '/usr/local/products/oradata/orcl/NB_SFY4.dbf' size 5G autoextend on; --此处30G 根据自身情况增加，也可以写为 MB 格式，例如 30720MB

--创建用户：192.168.0.60:1531/devorcl
create user qydj identified by 83186309 default tablespace qydj;

--授权
grant dba,connect to qydj;

imp xyxm/[email protected]:1531/devorcl file=d:\zx_xyxm20232.dmp tables=(ZX_TAG,ZX_TAG_RELATION) ignore=y full=y
imp xyxm/[email protected]:1531/devorcl file=d:\zx_xyxm20232.dmp ignore=y full=y

exp zxdata0/[email protected]:1521/orcl  file=d:\zxdata020231.dmp ignore=y full=y

exp xyxm/[email protected]:1521/orcl file=d:\zx_xyxm20232.dmp tables=(ZX_TAG,ZX_TAG_RELATION,ZX_ZZJ_TESTUSERINFO,ZX_SYS_USERDEPART) ignore=y full=y

D:\instantclient_12_2\exp.exe zxdata0/[email protected]:1521/orcl file=E:\AG_XZZF\zxdata02023.dmp

D:\instantclient_12_2\imp.exe zxdata0/[email protected]:1531/devorcl file=E:\AG_XZZF\zxdata02023.dmp