67 lines
2.5 KiB
SQL
67 lines
2.5 KiB
SQL
-- +----------------------------------------------------------------------------+
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-- | Jeffrey M. Hunter |
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-- | jhunter@idevelopment.info |
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-- | www.idevelopment.info |
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-- |----------------------------------------------------------------------------|
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-- | Copyright (c) 1998-2012 Jeffrey M. Hunter. All rights reserved. |
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-- |----------------------------------------------------------------------------|
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-- | DATABASE : Oracle |
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-- | FILE : dba_row_size.sql |
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-- | CLASS : Database Administration |
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-- | PURPOSE : Determines the row sizes for all tables in a given schema. |
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-- | NOTE : As with any code, ensure to test this script in a development |
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-- | environment before attempting to run it in production. |
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-- +----------------------------------------------------------------------------+
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SET TERMOUT OFF;
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COLUMN current_instance NEW_VALUE current_instance NOPRINT;
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SELECT rpad(instance_name, 17) current_instance FROM v$instance;
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SET TERMOUT ON;
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PROMPT
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PROMPT +------------------------------------------------------------------------+
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PROMPT | Report : Calculate Row Size for Tables in a Specified Schema |
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PROMPT | Instance : ¤t_instance |
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PROMPT +------------------------------------------------------------------------+
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PROMPT
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ACCEPT schema CHAR PROMPT 'Enter schema name : '
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SET ECHO OFF
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SET FEEDBACK 6
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SET HEADING ON
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SET LINESIZE 180
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SET PAGESIZE 50000
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SET TERMOUT ON
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SET TIMING OFF
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SET TRIMOUT ON
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SET TRIMSPOOL ON
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SET VERIFY OFF
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CLEAR COLUMNS
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CLEAR BREAKS
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CLEAR COMPUTES
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COLUMN Tot_Size FORMAT 99,999
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COLUMN data_type FORMAT a15
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BREAK ON table_name SKIP 2
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COMPUTE sum OF Tot_Size ON table_name
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COMPUTE sum OF data_length ON table_name
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SELECT
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table_name
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, column_name
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, DECODE( DATA_TYPE
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, 'NUMBER' , DATA_PRECISION+DATA_SCALE
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, 'VARCHAR2' , TO_NUMBER(DATA_LENGTH)
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, 'CHAR' , TO_NUMBER(DATA_LENGTH)
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, 'DATE' , TO_NUMBER(DATA_LENGTH)) Tot_Size
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, DATA_TYPE
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FROM dba_tab_columns
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WHERE owner = UPPER('&schema')
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ORDER BY table_name
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, column_id
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/
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