查看表空间

select tablespace_name from dba_tablespaces;


查看临时表空间


select tablespace_name,file_name,bytes/1024/1024 file_size,autoextensible from dba_temp_files;

select status,enabled,name,bytes/1024/1024 file_size from v_$tempfile; ---sys用户查看


查看数据文件位置


select name from v$datafile;


删除表空间

drop tablespace ADATA including contents and datafiles cascade constraints;


创建表空间


CREATE SMALLFILE TABLESPACE "ADATA" DATAFILE'+DATA/toppay/datafile/adata01.dbf' SIZE 20480M AUTOEXTEND ON NEXT 200M MAXSIZE UNLIMITED LOGGING EXTENT MANAGEMENT LOCAL SEGMENT SPACE MANAGEMENT AUTO;


创建用户


CREATE USER "username" PROFILE "DEFAULT" IDENTIFIED BY "123456" DEFAULT TABLESPACE "PAYDATA" TEMPORARY TABLESPACE "TEMP" ACCOUNT UNLOCK ;


grant connect to xx

grant resource to xx




查看表空间大小

select tablespace_name,sum(bytes)/1024/1024 from dba_data_files group by tablespace_name;



查看已使用表空间大小

select tablespace_name,sum(bytes)/1024/1024 from dba_free_space group by tablespace_name;



查看表空间扩展属性



select file_name,autoextensible,increment_by from dba_data_files;






查看数据文件大小



select name,bytes from v$datafile;