small fix in example for creating a request
DB_SOURCE was not defined. FILENAME was to be used.
Also reordered the fields so as to have the most important ones at the
beginning.
1° add a second level of titles because they were too long and
overrided the second column (the 'code column)
2° Add 'double backticks' around some keys
1° add a second level of titles because they were too long and
overrided the second column (the 'code column)
2° Add 'double backticks' around some keys
Olivier Laurent