I fear you may have some misconceptions about the expectations of where you're going.
MinhTuCSharper (2/4/2014)
My company is mid-size (about 400-500 employees), my current salary is 61k. I would like to explore for another IT Field
Always a bonus, if for no other reason then better understanding of all the moving parts can help.
that pay me better and beside,
Hold that thought....
being a developer, but I don't like designing UI, I only like to deal with logic and been a lot helpful to our company's DBA.
There are a number of disciplines in coding that don't revolve around the UI, for example N-tier components and the like. I wouldn't completely switch disciplines simply because you are uninterested in UIs.
I heard that they pay DBA better than Developer.
Nope. Not usually, and only with commensurate experience. The reason the average DBA is paid a lot higher (typically) when you look at averages is that there are less of them and they typically have a lot of years of experience. What you need to do is compare experience levels to determine what you should expect as a rate.
I would like to ask, if I try to follow SQL Server DBA path, getting MCSA SQL Sever 2012 certification in a year from now:
MCSA? It's a paper tiger. It's just a foot in the door sometimes to show you're serious about switching your careers. Doesn't mean much else, really, other than you're a competent intern who can cram for a test.
1. At that time, with 4 years of .NET Exp + SQL Server 2012 MCSA certification, how much would I expect to get in Dallas, TX?
Hard question. Every market is different. However, in the Southwest I find (outside of California) you'll probably be looking at 30-40k as a SQL Junior.
2. I learn best through studying the slideshow. I wonder if anyone know where I can get slideshow lecture for SQL Server, from beginning to advanced?
You want to look up the PASS videos, as well as look around for SQL Saturday presentations and slidedecks from those presenters who are willing to post them. Warning, they stretch across the board and many of those presentations make a lot of assumptions about your basic knowledge.
Having answered your questions, I'm going to answer one unasked. You're doing this for the wrong reasons. If you want to switch careers simply for better money than the one you're in, stop. You want to get on a management track that gets you into the upper hierarchy of the company managing people and issues and finances, not data. Warning, that's a lot worse than UI, though.
I wrote an article a while back about getting started in SQL Server. It still applies. You may want to take a read, when you get some time.
http://www.sqlservercentral.com/articles/Career/71608/
Never stop learning, even if it hurts. Ego bruises are practically mandatory as you learn unless you've never risked enough to make a mistake.
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