2026-03-12 20:23:15

2026-03-12 21:23:47 +01:00
parent eab4b36eca
commit 93039b8489
3332 changed files with 699614 additions and 0 deletions
--- a/Kevin_Meade/showcolstats.sql
+++ b/Kevin_Meade/showcolstats.sql
@@ -0,0 +1,76 @@
+--
+-- show all column stats for columns in the specified table
+-- requires the function KEV_RAW_TO_STRING
+-- very usefull for looking at column recorded HIGH/LOW
+--
+-- parameter 1 = owner
+-- parameter 2 = table_name
+--
+-- usage is: @SHOWCOLSTATS <owner> <table_name>
+--
+
+/*
+CREATE OR replace FUNCTION kev_raw_to_string (rawval RAW, TYPE VARCHAR2) RETURN VARCHAR2
+IS
+  cn  NUMBER;
+  cv  VARCHAR2(32);
+  cd  DATE;
+  cnv NVARCHAR2(32);
+  cr  ROWID;
+  cc  CHAR(32);
+BEGIN
+    IF ( TYPE = 'NUMBER' ) THEN
+      dbms_stats.Convert_raw_value(rawval, cn);
+      RETURN '"'||cn||'"';
+    ELSIF ( TYPE = 'VARCHAR2' ) THEN
+      dbms_stats.Convert_raw_value(rawval, cv);
+      RETURN '"'||cv||'"';
+    ELSIF ( TYPE = 'DATE' ) THEN
+      dbms_stats.Convert_raw_value(rawval, cd);
+      RETURN '"'||to_char(cd,'dd-mon-rrrr.hh24:mi:ss')||'"';
+    ELSIF ( TYPE = 'NVARCHAR2' ) THEN
+      dbms_stats.Convert_raw_value(rawval, cnv);
+      RETURN '"'||cnv||'"';
+    ELSIF ( TYPE = 'ROWID' ) THEN
+      dbms_stats.Convert_raw_value(rawval, cr);
+      RETURN '"'||cnv||'"';
+    ELSIF ( TYPE = 'CHAR' ) THEN
+      dbms_stats.Convert_raw_value(rawval, cc);
+      RETURN '"'||cc||'"';
+    ELSE
+      RETURN '"UNSUPPORTED DATA_TYPE"';
+    END IF;
+exception when others then
+   return '---  conversion error  ---';
+END;
+/
+*/
+col low_value format a30
+col high_value format a30
+col last_analyzed format a22
+--select table_name,column_name, num_distinct, num_nulls, num_buckets, sample_size,last_analyzed
+select
+  OWNER
+, TABLE_NAME
+, COLUMN_NAME
+, NUM_DISTINCT
+, NUM_NULLS
+, NUM_BUCKETS
+, SAMPLE_SIZE
+, AVG_COL_LEN
+, DENSITY
+, TO_CHAR(LAST_ANALYZED,'dd-mon-rrrr.hh24:mi:ss') last_analyzed
+, GLOBAL_STATS
+, USER_STATS
+, km21378.kev_raw_to_string (LOW_VALUE,(select data_type from dba_tab_columns b where b.owner = a.owner and b.table_name = a.table_name and b.column_name = a.column_name)) LOW_VALUE
+, km21378.kev_raw_to_string (HIGH_VALUE,(select data_type from dba_tab_columns b where b.owner = a.owner and b.table_name = a.table_name and b.column_name = a.column_name)) HIGH_VALUE
+from dba_tab_col_statistics a
+where (owner,table_name) in
+(
+ (upper('&&1'),upper('&&2'))
+)
+--and (column_name = 'ROW_TERM_DATE$' or num_buckets > 1)
+order by TABLE_NAME,COLUMN_NAME
+/
+
+