If you use collections such as a map<text,text> you could get by with just 
upserts. A collection in a column gives you the ability to have “flexible” 
schema for your “documents” as in mongo while the regular fields can act as 
“records” as in a more
Traditional table.

Rahul Singh
Chief Executive Officer
m 202.905.2818

Anant Corporation
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We build and manage digital business technology platforms.
On Dec 17, 2018, 4:45 PM -0500, Mark Furlong <mfurl...@ancestry.com>, wrote:
> Why would I want to use alter table vs upserts with the new document format?
>
> Mark Furlong
> Sr. Database Administrator
> mfurl...@ancestry.com
> M: 801-859-7427
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