Postgresql or SQL2012

Today my client had asked me.. why should they choose sql2012 over Postgresql ? I have knowledge with sql2008 but I never try with Postgresql. If I have to choose between this two db technologies, which db platform will offer me best setup ?
for your information our client is running on vet hospital and  the system which are plan to design will provide high availability like clustering and disaster recovery plan like db mirroring which we have in sql2012.
motioneyeAsked:
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nemws1Connect With a Mentor Database AdministratorCommented:
Yes and no.  It's comparing apples to oranges.  There *is* a PostgreSQL solution that provides scalability and fault-tolerance - but it's not clustering.  I've very reluctant to even call it "similar".  In my opinion, Microsoft's solution is much more polished and ready to go.  The PostgreSQL solution is more configurable, but you have to know what you're doing beforehand.  Unless you are very familiar with UNIX and PostgreSQL (and it sounds like you are not) I would not recommend it.  The learning curve is too steep.
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Anthony PerkinsCommented:
If I have to choose between this two db technologies, which db platform will offer me best setup ?
The one that you and/or your team has the most experience.
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motioneyeAuthor Commented:
Hi,
This is about the customer, what they like to be installed on their environment, we favor sql2012 but end users seems prefer Postgresql ...
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nemws1Database AdministratorCommented:
I'm a huge fan of open source software and PostgreSQL and MySQL.  It *may* be suitable to your client's needs.  However, with medical data and high availability, I would likely push to go with SQL2012.

SQL2012 has way more features than PostgreSQL or MySQL.  There's little comparison on scalability and robustness.

However, SQL2012 also comes with a *huge* price tag and your client may not be able to afford it.
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motioneyeAuthor Commented:
Hi nemws1,
So when it comes to HA ? how easy to get this configured if we have to run on Linux + Postgressql ?
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nemws1Connect With a Mentor Database AdministratorCommented:
Well, that depends.  If you're not a Linux and/or PostgreSQL person, then not easy at all (in fact, it be a huge pain).  The same is true for MSSQL if you're not a Windows MSSQL person! ;-)

Take a look at these documents (and their various sub-documents) to get a feel for PostgreSQL's high availability options:

http://wiki.postgresql.org/wiki/Replication,_Clustering,_and_Connection_Pooling
http://www.postgresql.org/docs/9.1/static/different-replication-solutions.html
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motioneyeAuthor Commented:
Hi,
I just reviewed what Postgresql have in their website something what they have advertised " Red'Hat'Cluster'Suite'and'PostgreSQL'Databases "

Is that means when we plan to buy this solutions it provide similar clustering technologies that we expect like Microsoft windows wit sql server clustering ?
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motioneyeAuthor Commented:
our plan is to get redhat certified engineer to do the installation or get support from redhat itself when doing the clustering, but since i cannot distinguish what are the diff when we run postgreSQL on Linux cluster, its hard to me to choose what will be the best solution and cost effective systems
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nemws1Connect With a Mentor Database AdministratorCommented:
In the beginning, it will probably be more expensive to run PostgreSQL if you do not have on-site people with knowledge of how to run in it in a clustered UNIX environment (as you'll have to hire outside help that *does* know how to do this).  However, eventually, you'll be running systems with very low overhead support costs.  If you run MS SQL, I'm guessing you have people already who know how to set this up, so the costs will remain static from day 0 to year X.

So, I don't have an answer for you.  How long is this project going to run?  How long will you be providing support?  If you think you're going to replace this system in 5 years, it might be more cost effective to go with MS SQL.  If you think you'll be setting this system up and then not touching it for 10 years, its better to go with PostgreSQL.
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