Updating a mysql table from several machines

Hi,
I have a big table with about 100,000 records (fileID, etc) and I need get the fileID from this table, then analyze the files, and making new tables based on the results.
Since the table is huge, I want to do the analysis on multiple machines.
Currently, I use "Limit start, offset" to select 1000 fileIDs per SELECT and do things with it in one machine.
The problem is that if I run the same code in another machine, it may select the duplicated records.
Is there a way that I can "Lock" the selected rows from other machines (not only lock the UPDATE, but also lock the READ so other machine will not do the redundant work)?
Thanks for your attention.
Iper

I think it would be better to multi-thread your processing solution instead of running on multiple solutions.
If you really must run on different machines then you'll have to come up with a better way. Something whereby you only fetch the result set from one machine and then divide it up from there would be one way.

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Hi,
Welcome to the forum!
876466 wrote:
Hi
i want to update a table by joining two table but i m getting the below error
single row subquery returns more than one value.Exactly!
(   SELECT a.deposit_date
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(   SELECT MAX (a.deposit_date)
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Also, you need to correlate the sub-query to the main query, so that it only looks for rows with the same ban.
i m using following query
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Whenever you have a problem, post CREATE TABLE and INSERT statements for your sample data.
Also post the results you want from that data, and an explanation of how you get those results from that data, with specific examples.
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