How can you query Oracle database tablespace?

1 year ago
Benjamin Taylor
1 minute

To query Oracle database tablespaces, you can utilize the following methods:

  1. You can use system views to query information about tablespaces in Oracle. Common system views include DBA_TABLESPACES, DBA_DATA_FILES, and DBA_FREE_SPACE.

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SELECT tablespace_name, status, contents, extent_management, allocation_type
FROM dba_tablespaces;
  1. Utilize the Tablespace Manager tool: Oracle offers a tool called “Tablespace Manager” which allows for viewing and managing table spaces. This tool can be accessed through tools like SQL Developer or Enterprise Manager.
  2. You can query database tablespace information using SQL statements.

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SELECT tablespace_name, SUM(bytes)/1024/1024 AS total_size_mb, SUM(bytes)/1024/1024 - SUM(GREATEST(bytes - maxbytes, 0))/1024/1024 AS used_size_mb,
SUM(GREATEST(bytes - maxbytes, 0))/1024/1024 AS free_size_mb
FROM dba_data_files
GROUP BY tablespace_name;

The above method can assist you in accessing information on table spaces in an Oracle database.

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