Database: CHAR and VARCHAR – What are the differences?
Most programmers may already know the main different between CHAR and VARCHAR - The first one supports fixed-length data and the second one supports variable-lengths of data.
Some people may think, since VARCHAR can do what CHAR does, then why we still need CHAR in our database design. I even have heard one of the very experienced Oracle database administrator say "Nowadays nobody is using CHAR anymore, you can forget about putting CHAR column in your database design".
SEO: Get Higher Ranking in Search Engines
SEO or search engine optimization is a process of improving a website's traffic volume or traffic quality. SEO is not a simple process but involve deep studies the behavior of search engines like Google, Yahoo and Live.
SEO is very important to company especially those involve Internet businesses. Besides Internet businesses, other businesses also can make use of Internet to promote their brandings and product to the world wide.
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