2026-07-11 16:10:12

2026-07-11 18:10:13 +02:00
parent b2358a2f1b
commit 755890ea84
4 changed files with 623 additions and 0 deletions
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+-- ============================================================================
+-- awrsqlidtabstat2.sql
+-- ----------------------------------------------------------------------------
+-- Reference:
+--   https://blogs.oracle.com/optimizer/post/check-sql-stale-statistics
+-- Updated in 2026 july from Grand Canaria ;)
+-- ============================================================================
+
+SET PAGESIZE 100
+SET LINESIZE 150
+SET TRIMS OFF
+SET TAB OFF
+SET VERIFY OFF
+
+COLUMN table_name   FORMAT a25
+COLUMN index_name   FORMAT a25
+COLUMN object_type  FORMAT a20
+COLUMN owner        FORMAT a25
+COLUMN object_owner FORMAT a25
+COLUMN object_name  FORMAT a25
+COLUMN stale_stats  FORMAT a30
+COLUMN num_rows     FORMAT 999,999,999,999
+COLUMN visibility   FORMAT a9
+COLUMN status       FORMAT a8
+
+PROMPT
+PROMPT ==================================
+PROMPT Tables with Statistics Information
+PROMPT ==================================
+PROMPT
+
+WITH plan_tables AS (
+  SELECT DISTINCT
+    object_name,
+    object_owner,
+    object_type
+  FROM dba_hist_sql_plan
+  WHERE object_type LIKE 'TABLE%'
+    AND sql_id = '&1'
+    AND plan_hash_value = '&2'
+)
+SELECT
+  t.object_owner  AS owner,
+  t.object_name   AS table_name,
+  t.object_type   AS object_type,
+  tab.num_rows,
+  DECODE(
+    stale_stats,
+    'NO', 'OK',
+    NULL, 'NO STATS!',
+    'STALE!'
+  ) AS staleness
+FROM dba_tab_statistics s
+JOIN plan_tables t
+  ON s.table_name = t.object_name
+ AND s.owner = t.object_owner
+JOIN dba_tables tab
+  ON t.object_owner = tab.owner
+ AND t.object_name = tab.table_name
+WHERE s.partition_name IS NULL
+  AND s.subpartition_name IS NULL
+ORDER BY t.object_owner, t.object_name;
+
+
+PROMPT
+PROMPT ===================================
+PROMPT Indexes with Statistics Information
+PROMPT ===================================
+PROMPT
+
+WITH plan_indexes AS (
+  SELECT DISTINCT
+    object_name,
+    object_owner,
+    object_type
+  FROM dba_hist_sql_plan
+  WHERE object_type LIKE 'INDEX%'
+    AND sql_id = '&1'
+    AND plan_hash_value = '&2'
+)
+SELECT
+  i.object_owner  AS owner,
+  i.object_name   AS index_name,
+  i.object_type   AS object_type,
+  idx.status,
+  idx.num_rows,
+  idx.visibility,
+  DECODE(
+    stale_stats,
+    'NO', 'OK',
+    NULL, 'NO STATS',
+    'STALE!'
+  ) AS staleness
+FROM dba_ind_statistics s
+JOIN plan_indexes i
+  ON s.index_name = i.object_name
+ AND s.owner = i.object_owner
+JOIN dba_indexes idx
+  ON s.owner = idx.owner
+ AND s.index_name = idx.index_name
+WHERE s.partition_name IS NULL
+  AND s.subpartition_name IS NULL
+ORDER BY i.object_owner, i.object_name;
+
+
+PROMPT
+PROMPT ===============
+PROMPT Missing Indexes
+PROMPT ===============
+PROMPT
+
+WITH plan_indexes AS (
+  SELECT DISTINCT
+    object_name,
+    object_owner,
+    object_type
+  FROM dba_hist_sql_plan
+  WHERE object_type LIKE 'INDEX%'
+    AND sql_id = '&1'
+    AND plan_hash_value = '&2'
+)
+SELECT
+  object_owner,
+  object_name
+FROM plan_indexes
+WHERE object_type = 'INDEX'
+MINUS
+SELECT
+  owner,
+  index_name
+FROM dba_indexes;