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From tsuna <tsuna...@gmail.com>
Subject Re: HBase and Data Integrity
Date Sun, 17 Feb 2013 00:48:56 GMT
bcc: asynchbase@

On Sat, Feb 16, 2013 at 12:28 PM, Steve Berg <sb.hkn9@googlemail.com> wrote:
> I have some questions for HBase DB:

Hi Steve,
I'm moving this thread to the HBase user mailing list.

> How to ensure data integrity?

Data stored by HBase in HDFS has 3 replicas of the data and checksums.

> Are there methods ensure the integrity?

It's all built-in, I'm not sure what you meant by "methods" here.

> Does HBase primary key? or alternatives

HBase has only one primary key per table.
You may wanna look at the HBase Book, Chapter 5. "Data Model":

> Foreign key?


> Referential Integrity?


> How are the ACID properties to be implemented?


Benoit "tsuna" Sigoure

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