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Emailing report to 2500 users

gs79 asked
Medium Priority
Last Modified: 2012-05-11
We have 2000 users and a report (basically sql query) that has user_id and corresponding email address.. I have a requirement to run this query on a nightly basis and send this out to the users. The users should get the data specific to their user id. The report looks like below:

select user_id, col1, col2, col3, email
from xyz

Now the users should recieve the data corresponding to his user_id:
select user_id, col1, col2, col3, email
from xyz
where user_id = :user_id

Also I need to schedule this report probably using dbms scheduler and send the email out for the user's corresponding user id. Another requirement is: Since the query takes a long time to run for even for an user_id, I need to divide this job into 4 concurrent processes and each process sends the report for 500 users parallely..hel

Please help me write this query..


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Top Expert 2012

Does xyz only have one row for each user_id?  Think you can do it via a stored procedure

create procedure mail_out (start_id integer, end_id integer)
  cursor reports is
   select user_id, col1, col2, col3, email
   from xyz
   where user_id between start_id and end_id;
  for cur in reports loop
     /*do mailing out procedure here, referring to each row elements as cur.user_id, etc */
  end loop;

Then you can have 4 jobs calling the procedure, having different values start_id and end_id as your range for user_id for each call.

If there are multiple rows for each user_id, then you need to add an order by user_id in the cursor definition, and only send out email if it detects that the value of cur.user_id is new.


can you please help me with the procedure to send email. I have not used  dbms_email utility before..also the program needs to be scheduled on a daily basis..
Please help

Top Expert 2012
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The project is in pending..i will be sure trying on those lines..thanks for your suggestions..
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