DRAG DROP
You are developing an application that will populate an extensive XML tree from a Microsoft SQL
Server 2008 R2 database table named Contacts.
You are creating the XML tree. The solution must meet the following requirements:
Minimize memory requirements.
Maximize data processing speed.
You open the database connection. You need to create the XML tree.
How should you complete the relevant code? (To answer, drag the appropriate code segments to
the correct locations in the answer are
a Each code segment may be used once, more than once, or not at all. You may need to drag the
split bar between panes or scroll to view content.)
Answer: 
2,3
1,3
A WeakReference can be used to maintain a reference to items that can be garbage collected when necessary.
https://msdn.microsoft.com/en-us/library/system.xml.linq.xelement(v=vs.110).aspx
2, 4
al adeeb says:
October 27, 2015 at 7:20 am
Joe is right, correct answer should be
XElement contacts =
new XElement(“contacts”
2,4