Add show query

Author: Damien Escaich

README.md

@@ -95,4 +95,16 @@ select
 from my_database.my_table
 group by 1
 order by 2 desc;
-```
+```
+
+## Show create statements of all views and tables involved in a query
+
+This will returns also the DDL of the tables which are referenced in a foreign key
+
+It is especially usefull to retrieve objects used in imbricated views.
+
+```sql
+show select * from my_database.my_table;
+```
+
+Will returns one result set per create statement.