using SQL Server 2005 standard edition with SP2
I need to design a table where I will be storing a text file (~200KB) along with filename ,description and datetime.<
I can answer your question in one simple word: Kiss.
Which of course stands for... Keep It Simple Stupid.
Adding a table for is generally a no-no unless you really need one to solve a problem.
Generally, I disagree with splitting tables. It adds complexity to databases and code. Having useless columns in a table is a bad thing, but it's not as bad as multiple tables when you only need one.
Cases where you would consider adding another table: