31 lines
1.2 KiB
SQL
31 lines
1.2 KiB
SQL
-- -----------------------------------------------------------------------------------
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-- File Name : https://oracle-base.com/dba/monitoring/df_free_space.sql
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-- Author : Tim Hall
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-- Description : Displays free space information about datafiles.
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-- Requirements : Access to the V$ views.
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-- Call Syntax : @df_free_space.sql
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-- Last Modified: 17-AUG-2005
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-- -----------------------------------------------------------------------------------
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SET LINESIZE 120
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COLUMN file_name FORMAT A60
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SELECT a.file_name,
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ROUND(a.bytes/1024/1024) AS size_mb,
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ROUND(a.maxbytes/1024/1024) AS maxsize_mb,
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ROUND(b.free_bytes/1024/1024) AS free_mb,
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ROUND((a.maxbytes-a.bytes)/1024/1024) AS growth_mb,
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100 - ROUND(((b.free_bytes+a.growth)/a.maxbytes) * 100) AS pct_used
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FROM (SELECT file_name,
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file_id,
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bytes,
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GREATEST(bytes,maxbytes) AS maxbytes,
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GREATEST(bytes,maxbytes)-bytes AS growth
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FROM dba_data_files) a,
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(SELeCT file_id,
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SUM(bytes) AS free_bytes
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FROM dba_free_space
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GROUP BY file_id) b
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WHERE a.file_id = b.file_id
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ORDER BY file_name;
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