35 lines
1.2 KiB
SQL
35 lines
1.2 KiB
SQL
-- -----------------------------------------------------------------------------------
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-- File Name : https://oracle-base.com/dba/miscellaneous/table_defs.sql
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-- Author : Tim Hall
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-- Description : Lists the column definitions for the specified table.
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-- Call Syntax : @table_defs (tablee-name or all)
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-- Last Modified: 24/09/2003
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-- -----------------------------------------------------------------------------------
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COLUMN column_id FORMAT 99
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COLUMN data_type FORMAT A10
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COLUMN nullable FORMAT A8
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COLUMN size FORMAT A6
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BREAK ON table_name SKIP 2
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SET PAGESIZE 0
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SET LINESIZE 200
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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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SELECT table_name,
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column_id,
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column_name,
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data_type,
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(CASE
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WHEN data_type IN ('VARCHAR2','CHAR') THEN TO_CHAR(data_length)
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WHEN data_scale IS NULL OR data_scale = 0 THEN TO_CHAR(data_precision)
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ELSE TO_CHAR(data_precision) || ',' || TO_CHAR(data_scale)
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END) "SIZE",
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DECODE(nullable, 'Y', '', 'NOT NULL') nullable
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FROM user_tab_columns
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WHERE table_name = DECODE(UPPER('&1'), 'ALL', table_name, UPPER('&1'))
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ORDER BY table_name, column_id;
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SET PAGESIZE 14
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SET LINESIZE 80
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