mise à jour v2

Grosse mise à jour :
- style moderne des tableaux et code
- code structuré et factorisé
- sql et sh affinés

sql/41_sql_stat.sql

@@ -0,0 +1,23 @@
+prompt <h2>Top SQL</h2>
+
+alter session set nls_date_format='DD/MM/YYYY HH24:MI:SS';
+
+select /* db-html-report */ 
+* from (
+select 
+  a.inst_id, 
+  a.sql_id,
+  a.elapsed_time / 1000000 as elapsed,
+  substrb(replace(a.sql_text,'',' '),1,55) as sql_text,
+  a.cpu_time / 1000000 as cpu_time,
+  a.buffer_gets, -- Lecture en memoire
+  a.disk_reads, -- Lecture sur disque
+  a.physical_read_bytes,
+  a.executions,
+  a.rows_processed,
+  a.last_active_time, -- Last time the statistics of a contributing cursor were updated
+  b.module
+from   gv$sqlstats a, gv$sql b 
+where  a.sql_id=b.sql_id
+order by a.elapsed_time desc
+) where rownum <= 25;