2026-03-12 20:23:15
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152
vg/index_similar.sql
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152
vg/index_similar.sql
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@@header
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/*
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*
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* Author : Vishal Gupta
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* Purpose : Display Similar Tables indexes
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* Parameters : 1 - Owner (Use % as wild card, \ as ESCAPE)
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* 2 - TableName (Use % as wild card, \ as ESCAPE)
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*
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*
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* Revision History:
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* ===================
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* Date Author Description
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* --------- ------------ -----------------------------------------
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* 25-Sep-12 Vishal Gupta Created
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*
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*/
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/*
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PROMPT *************************
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PROMPT Similar Indexes
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PROMPT *************************
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column column_name format a30
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break on TABLE_OWNER on TABLE_NAME skip 1
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BREAK ON INDEX_NAME
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select TABLE_OWNER, TABLE_NAME, INDEX_NAME, COLUMN_NAME, COLUMN_POSITION
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FROM ALL_IND_COLUMNS
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WHERE (TABLE_OWNER, TABLE_NAME, INDEX_NAME ) IN
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(SELECT TABLE_OWNER
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, TABLE_NAME
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, INDEX_NAME
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FROM ALL_IND_COLUMNS ind
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WHERE COLUMN_POSITION = 1
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AND TABLE_OWNER NOT IN ('SYS','SYSTEM','OUTLN','DBSNMP','XDB','WMSYS','SYSMAN')
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AND (TABLE_OWNER, TABLE_NAME, COLUMN_NAME) IN (SELECT TABLE_OWNER, TABLE_NAME, COLUMN_NAME
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FROM (SELECT TABLE_OWNER , TABLE_NAME, COLUMN_NAME,
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COUNT (*) TCOUNT
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FROM ALL_IND_COLUMNS
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WHERE COLUMN_POSITION = 1
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AND TABLE_OWNER NOT IN ('SYS','SYSTEM','OUTLN','DBSNMP','XDB','WMSYS','SYSMAN')
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GROUP BY TABLE_OWNER, TABLE_NAME, COLUMN_NAME
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HAVING COUNT (*) > 1
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)
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)
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)
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ORDER BY 1,2,3,5
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/
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*/
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/************************************
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* INPUT PARAMETERS
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************************************/
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DEFINE owner="&&1"
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DEFINE table_name="&&2"
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COLUMN _owner NEW_VALUE owner NOPRINT
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COLUMN _table_name NEW_VALUE table_name NOPRINT
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COLUMN _object_type NEW_VALUE object_type NOPRINT
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set term off
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SELECT SUBSTR(UPPER('&&owner'), 1 , CASE INSTR('&&owner','.') WHEN 0 THEN LENGTH ('&&owner') ELSE INSTR('&&owner','.') - 1 END) "_owner"
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, CASE
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WHEN INSTR('&&owner','.') != 0 THEN SUBSTR(UPPER('&&owner'),INSTR('&&owner','.')+1)
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ELSE DECODE(UPPER('&&table_name'),'','%',UPPER('&&table_name'))
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END "_table_name"
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FROM DUAL;
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set term on
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PROMPT *************************
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PROMPT Similar Indexes
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PROMPT *************************
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COLUMN owner HEADING "Index Owner" FORMAT a20
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COLUMN table_name HEADING "Table Name" FORMAT a40
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COLUMN index_owner HEADING "Index Owner" FORMAT a20
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COLUMN index_name HEADING "Index Name" FORMAT a40
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COLUMN index_type HEADING "Index Type" FORMAT a10
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COLUMN status HEADING "Status" FORMAT a8
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COLUMN visibility HEADING "Visible" FORMAT a10
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COLUMN uniqueness HEADING "Uniqueness" FORMAT a15
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COLUMN Columns HEADING "Index columns" FORMAT a90
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BREAK ON TABLE_NAME
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WITH Indexes as
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(
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SELECT /*+ */
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i.table_owner || '.' || i.table_name table_name
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, i.owner || '.' || i.index_name index_name
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, i.uniqueness
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, i.index_type
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--, i.status
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--, i.visibility
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, SUBSTR(SYS_CONNECT_BY_PATH ( ic.column_name || DECODE(ic.descend,'ASC','',' (desc) ') , ' , ' ),4) Columns
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FROM dba_indexes i
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, dba_ind_columns ic
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, dba_ind_expressions ie
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WHERE i.owner = ic.index_owner
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AND i.index_name = ic.index_name
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AND i.table_owner = ic.table_owner
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AND i.table_name = ic.table_name
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AND ic.index_owner = ie.index_owner (+)
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AND ic.index_name = ie.index_name (+)
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AND ic.table_owner = ie.table_owner (+)
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AND ic.table_name = ie.table_name (+)
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AND ic.column_position = ie.column_position (+)
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AND i.table_owner LIKE upper('&&owner') ESCAPE '\'
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AND i.table_name LIKE upper('&&table_name') ESCAPE '\'
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AND CONNECT_BY_ISLEAF = 1
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AND LEVEL = ic.column_position
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CONNECT BY ic.table_owner = PRIOR ic.table_owner
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AND ic.table_name = PRIOR ic.table_name
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AND ic.index_owner = PRIOR ic.index_owner
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AND ic.index_name = PRIOR ic.index_name
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AND ic.column_position - 1 = PRIOR ic.column_position
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START WITH ic.table_owner LIKE upper('&&owner') ESCAPE '\'
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AND ic.table_name LIKE upper('&&table_name') ESCAPE '\'
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)
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, indexes_similar as
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(
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SELECT a.*
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FROM indexes a
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WHERE EXISTS (SELECT 1 from indexes b
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WHERE b.table_name = a.table_name
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AND b.columns LIKE a.columns || '%'
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AND LENGTH(b.columns) > LENGTH(a.columns)
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)
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)
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SELECT i.*
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FROM indexes i
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, indexes_similar s
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WHERE i.table_name = s.table_name
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AND i.columns like s.columns || '%'
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ORDER BY i.table_name
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, i.index_name
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, i.uniqueness
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;
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UNDEFINE owner
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UNDEFINE table_name
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@@footer
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