2026-03-12 20:23:15

tpt/descx.sql

@@ -0,0 +1,55 @@
+-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
+-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
+
+COL desc_column_id 		HEAD "Col#" FOR A4
+COL desc_column_name	HEAD "Column Name" FOR A30
+COL desc_data_type		HEAD "Type" FOR A25 WORD_WRAP
+COL desc_nullable		HEAD "Null?" FOR A10
+COL desc_density        HEAD "Density" FOR 9.99999999999 
+--prompt eXtended describe of &1
+
+SELECT
+	CASE WHEN hidden_column = 'YES' THEN 'H' ELSE ' ' END||
+	LPAD(column_id,3)	desc_column_id,
+    SEGMENT_COLUMN_ID   seg_col_id,
+--    owner,
+--    table_name,
+	column_name	desc_column_name,
+	CASE WHEN nullable = 'N' THEN 'NOT NULL' ELSE NULL END AS desc_nullable,
+	data_type||CASE 
+--					WHEN data_type = 'NUMBER' THEN '('||data_precision||CASE WHEN data_scale = 0 THEN NULL ELSE ','||data_scale END||')' 
+					WHEN data_type = 'NUMBER' THEN '('||data_precision||','||data_scale||')' 
+					ELSE '('||data_length||')'
+				END AS desc_data_type,
+--	data_default,
+	num_distinct,
+	density             desc_density,
+	num_nulls,
+    CASE WHEN histogram = 'NONE'  THEN null ELSE histogram END histogram,
+	num_buckets,
+	low_value,
+	high_value
+	--,'--' desc_succeeded
+FROM
+	dba_tab_cols
+WHERE
+	upper(table_name) LIKE 
+				upper(CASE 
+					WHEN INSTR('&1','.') > 0 THEN 
+					    SUBSTR('&1',INSTR('&1','.')+1)
+					ELSE
+					    '&1'
+					END
+				     )
+AND	owner LIKE
+		CASE WHEN INSTR('&1','.') > 0 THEN
+			UPPER(SUBSTR('&1',1,INSTR('&1','.')-1))
+		ELSE
+			user
+		END
+ORDER BY
+    owner ASC
+  , table_name ASC
+  ,	column_id ASC
+/
+