表空间
大家好，又见面了，我是全栈君。
1.查看某个用户相应的表空间和datafile ??? select t1.username,t2.tablespace_name,t2.file_name,t1.temporary_tablespace ,t3.file_name ??? from dba_users t1 ??? left join ???????? dba_data_files t2 ??? on??? t1.default_tablespace = t2.tablespace_name ??? left join ???????? dba_temp_files t3 ??? on?? t1.temporary_tablespace = t3.tablespace_name ??? where ????? lower(t1.username) in?? ???? (‘lbi_sys_ptcl’,’lbi_ods_ptcl’,’lbi_ods_ptcl’,’lbi_edm_ptcl’,’lbi_ls_ptcl’,’lbi_dm_ptcl’,’lbi_dim_ptcl’)
2.产看表空间信息： ???? （1）一般表空间查询 ??????? select * from dba_data_files t where t.tablespace_name in ( ??????? ‘TBS_DIM_PTCL’,’TBS_LS_PTCL’, ‘TBS_ODS_PTCL’, ‘TBS_DM_PTCL’,? ‘TBS_EDM_PTCL’, ‘TBS_SYS_PTCL’? ); ????? （2）暂时表空间查询 ?????? select * from dba_temp_files t where t.tablespace_name in (‘TBS_TEMP_PTCL’);
3.创建表空间 ???? (1)一般表空间 ??????? create tablespace “TBS_DW_YM” ??????? nologging ??????? datafile ‘/opt/oracle/oradata/YM_tbs/TBS_DW_YM.dbf’ size 50m ??????? extent management local segment space management? auto; ??????? –extent management:区管理 ??????? –local segment space management :本地段空间管理 ??????? –auto 自己主动管理,一般默认情况就是,假设想改为手动管理：manual ???? (2)暂时表空间 ??????? create ??????? temporary tablespace “TBS_YM_TEMP” ??????? tempfile ‘/opt/oracle/oradata/YM_tbs/TBS_YM_TEMP.dbf’ size 50m ??????? reuse autoextend on next 640k maxsize 1000M; ??????? –reuse :又一次运用,能够加能够不加
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