Hi. We’re already received your questions some hours ago. Here are our answers. 
[1]

Regards,
Chiwan Park

[1] 
http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Re-Apache-Flink-transactions-tc1457.html


> On Jun 5, 2015, at 2:49 AM, Hawin Jiang <hawin.ji...@gmail.com> wrote:
> 
> Cool
> 
> Here is my question:
> 
> Do we have insert, update and remove
> operations on Apache Flink?
> 
> For example: I have 10 million records
> in my test file. I want to add one record, update one record and remove
> one record from this test file.
> 
> How to implement it by Flink?
> 
> Thanks.
> 
> 
> On Thu, Jun 4, 2015 at 10:44 AM, Robert Metzger <rmetz...@apache.org 
> <mailto:rmetz...@apache.org>> wrote:
> Yes, I've got this message.
> 
> On Thu, Jun 4, 2015 at 7:42 PM, Hawin Jiang <hawin.ji...@gmail.com 
> <mailto:hawin.ji...@gmail.com>> wrote:
> Hi Admin
> 
> Please let me know if you are received my email or not.
> Thanks.
> 
> 
> 
> Best regards
> Hawin Jiang
> 
> On Thu, Jun 4, 2015 at 10:26 AM, <user-h...@flink.apache.org 
> <mailto:user-h...@flink.apache.org>> wrote:
> Hi! This is the ezmlm program. I'm managing the
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> Acknowledgment: I have added the address
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> Subject: Re: confirm subscribe to user@flink.apache.org 
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> From: Hawin Jiang <hawin.ji...@gmail.com <mailto:hawin.ji...@gmail.com>>
> To: 
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