1. From the data base of the website, we can make problems.
2. From the data bank of the website, we can make problems.
(Which expression is right?)
3. Tim_Data
(What is the English name for the short holizontal line? It is not called 'hyphen', right?)
1. I'd use "database" (one word).
And I think #1 is the more common expression.
In 3, that line is called an underscore.