Tablespaces

Creacin de tablespaces

CREATE TABLESPACE nombre DATAFILE '/path_name/datafile_name.dbf' SIZE 100m AUTOEXTEND ON NEXT 1M MAXSIZE 1024M;

CREATE TABLESPACE nombre DATAFILE '/path_name/datafile_name_01.dbf' SIZE 100M, '/path_name/datafile_name_02.dbf' SIZE 100M, '/path_name/datafile_name_03.dbf' SIZE 100M AUTOEXTEND OFF;

Modificacin de Tablespaces

ALTER TABLESPACE users ADD DATAFILE '/u02/oracle/rbdb1/users03.dbf' SIZE;ALTER DATABASE DATAFILE '/u02/oracle/rbdb1/users03.dbf' AUTOEXTEND OFF;ALTER DATABASE DATAFILE '/u02/oracle/rbdb1/users03.dbf' AUTOEXTEND ON NEXT 512K MAXSIZE 250M;

Espacio Libre / Ocupado

SELECT df.tablespace_name TABLESPACE, df.total_space TOTAL_SPACE, fs.free_space FREE_SPACE, df.total_space_mb TOTAL_SPACE_MB, (df.total_space_mb - fs.free_space_mb) USED_SPACE_MB, fs.free_space_mb FREE_SPACE_MB, ROUND(100 * (fs.free_space / df.total_space),2) PCT_FREE FROM (SELECT tablespace_name, SUM(bytes) TOTAL_SPACE, ROUND(SUM(bytes) / 1048576) TOTAL_SPACE_MB FROM dba_data_files GROUP BY tablespace_name) df, (SELECT tablespace_name, SUM(bytes) FREE_SPACE, ROUND(SUM(bytes) /1048576) FREE_SPACE_MB FROM dba_free_space GROUP BY tablespace_name) fs WHERE df.tablespace_name = fs.tablespace_name(+) ORDER BY fs.tablespace_name;