Posted in SQL

List all tablespaces size

SELECT /* + RULE */  df.tablespace_name "Tablespace",  df.bytes / (1024 * 1024) "Size (MB)",
         from dba_data_files ) a, ( select nvl(sum(bytes/1024/1024/1024),0) temp_size
       SUM(fs.bytes) / (1024 * 1024) "Free (MB)", Nvl(Round(SUM(fs.bytes) * 100 / df.bytes),1) "% Free", Round((df.bytes - SUM(fs.bytes)) * 100 / df.bytes) "% Used"
  FROM dba_free_space fs, (SELECT tablespace_name,SUM(bytes) bytes
          FROM dba_data_files
         GROUP BY tablespace_name) df
 WHERE fs.tablespace_name (+)  = df.tablespace_name
 GROUP BY df.tablespace_name,df.bytes
UNION ALL
SELECT /* + RULE */ df.tablespace_name tspace,
       fs.bytes / (1024 * 1024), SUM(df.bytes_free) / (1024 * 1024), Nvl(Round((SUM(fs.bytes) - df.bytes_used) * 100 / fs.bytes), 1), Round((SUM(fs.bytes) - df.bytes_free) * 100 / fs.bytes)
  FROM dba_temp_files fs, (SELECT tablespace_name,bytes_free,bytes_used
          FROM v$temp_space_header
         GROUP BY tablespace_name,bytes_free,bytes_used) df
 WHERE fs.tablespace_name (+)  = df.tablespace_name
 GROUP BY df.tablespace_name,fs.bytes,df.bytes_free,df.bytes_used
 ORDER BY 4 DESC;
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Author:

I am an Oracle DBA with experience in Maximum Availability technology such as RAC, Data Guard, Grid Control and ASM. I worked with version 9i through 12c on a number of operating systems. Next to that I have an extensive experience with PL/SQL, Oracle eBusiness Suite and shell scripting. Specialties: Oracle RAC & ASM (Configuration/Monitoring/Tuning) Oracle Data Guard (Configuration/Monitoring/Tuning) EM12c (Installation / troubleshooting) SQL & PLSQL *nix Shell scripting

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