a .net data provider is a collection of objects used to communicate between a data source and a data set in other words a data provider is used to communicate with a data source i e database execute commands against the data source and then retrieve results from the data source
By default, the work item file attachment size limit is 2,048 kilobytes (2 MB). For information on how to change the attachment size limit, see How to: Set the Maximum Attachment Size for Work Items. Consider the implications carefully before changing the default attachment size limit. Changing the attachment limit value will alter the attachment size limit for all Team Foundation Server users.
Since the inception of the Tax Free Savings Account (TFSA) in 2009, Canadian residents who are over the age of 18 with a social insurance number have been allowed to contribute up to $5000 on an annual basis. Anything less than $5000 is carried over to the following year. (2014 contribution limit is $5,500).