Prevent children from deleting important files?

My family is going to be purchasing a new iMac soon, to be used by four children, including a 12-year old. The problem is that he is known for "screwing up" computers.
The computer we have now suffers from a lack of printer drivers and system profiler, both which were "accidentally" deleted by him.
My question is, is there a way to set up parental controls that allow him to access all of the regular programs on the computer, but not be allowed to delete any files without an administrator's password? I really do not feel like digging out the startup disks every time he makes a boo-boo on the computer.

Believe me, this kid has been taught by a former Apple salesperson. He normally knows what he's doing on there, but sometimes goes a little too far when doing "Spring cleaning" when told to get rid of his junk files.
The other children are just fine on the computer, and fortunately not as curious or destructive. We've owned Macs for 13 years and never would I have thought that we'd need to do any troubleshooting like this at all! One account has always been plenty for our family of six, I guess until now. We'll see how things go after individual accounts have been created, then maybe once the trust is gained back, go back to the single user account.
Thanks to everyone for the help!

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How To Prevent ATV From Deleting Previously Synced Files?

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But just today, iTunes started to sync a new downloaded movie and erased all of the files that I removed from the laptop hard drive.
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if itunes opens up and the external drive is not attached, it is going to flag any file it references on the external drive as unavailable. if the file is not made available and located by itunes before the apple tv syncs with itunes, then the file will also be made unavailable to the apple tv (correct me if i've got this wrong, but i'm fairly certain this is how it goes).
itunes and apple tv utilize a sync relationship, and in any device/host sync relationship one or the other has to win during a database conflict.
iTunes always wins if the file originates from itunes (i say this because when you purchase from the ATV, the ATV will push the file to iTunes that first time, but afterward if you remove it from iTunes it will be removed from the Apple TV. This is a little bit off subject but it is relevant as it is the only time the Apple TV gets to win). Otherwise, if it's not in iTunes, it won't be on the apple tv (when the two sync with each other).
if you want to prevent the ATV from deleting the relocated files, make sure they are available in itunes when the ATV syncs with itunes.
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YOUR COMPANY HAS DELETED IMPORTANT FILES FROM MY DESK TOP! I DEMAND THAT YOU RECOVER THEM ASAP!

ADOBE WORK SPACE HAS DELETED IMPORTANT FILES FROM MY DESK TOP. DOES ANYONE KNOW HOW TO RECOVER THEM? ADOBE WORKSPACE IS SUPPOSE TO BE RETIRED, AND THE SYSTEM WILL NOT ALLOW ME TO DOWNLOAD OR RECOVER THE MISSING FILES!!!!
901.650.4724

Hi Sara1
Several of our PDF File icons on my Desktop images went blank; and, cannot be accessed now. I subsequently received a notification from your company stating that Workspace will be retiring and all files left will be permanently deleted if they aren't down loaded from the site by a certain date in January 2015. However, when I opened the web site, per your company's directions, I wasn't able to open the downloaded files! Please correct this error ASAP.
Regards,
Mr. F. Lee McCullough, P.O.C. - Executive VP/Business Development
Omega Group International, LLC
www.Omega-GroupLLC.Org
Post Office Box 40556Memphis, TN 38174
901.650.4724 Mobile
901.568.2090 Office
"Promote a Healthy Workforce" - WWW.XOOMA.COM/MWI
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Is there an easy way to free up memory without deleting important files?

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There are two business aspects :
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2- the message(s) extracted from the file should be sent to the receiver only during a certain period when the receiving application is ready for it.
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Hi,
>>>Isn't there any solution only using XI and Java (for functions, modules...)?
yes but a littble bit more difficult:
instead of the ABAP report you can send ANY
scheduled message to the XI (using any adapter)
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at that correct time
BTW
it's that with ABAP you have nice SAP scheduler
that you can use
Regards,
michal

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HI all,
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Hi Athira,
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Prevent user from deleting rows from all tables in his own schema

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Edited by: 962394 on 11.10.2012 10:11
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I need todo
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Prevent user from deleting someone else data

I have a table
create table T(
infoID number primary key,
info varchar2(4000),
user varchar2(1)
and users a,b,c with object priveleges on table T.
What is the best way to prevent user from deleting someone else data?
1. Create a view for each user to interacat with ( where user='a') and revoke privileges from table T.
2. Use procedures or trigers to catch a bad user.
3. ?

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create user ownera identified by ownera;
create user usera identified by usera;
create user userb identified by userb;
create user userc identified by userc;
grant connect, resource to ownera;
grant create view to ownera;
grant connect to usera, userb, userc;
conn ownera/ownera
create table mytable ( id number primary key,
userid varchar2(8) not null, mod_date date not null, text varchar2 (100));
create sequence mytable_seq;
create or replace trigger biu_mytable_trg
before insert or update on mytable
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end;
create or replace view v_mytable as
select * from mytable where userid=user;
grant select, insert, update, delete on v_mytable to usera, userb, userc;
try inserting and selecting as the various userX users.
Good luck.

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Prevent children from deleting important files?

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