1.	Database  solutions today must be able to adapt and integrate among various  computing applications. Determine at least three forms of database  connectivity methods that can be used as an interface between  applications. For each method you have chosen, create an example that  demonstrates how each could facilitate data exchange functionality in a  cloud service environment.
 
 2.	Suggest at least two software solutions that offer the connectivity  methods you have determined in Part 1 of this discussion to interface  with other systems.
 
 3.	XML provides a method for data to be transferred between systems.  Specify at least three components of an XML document. Analyze how each  component ensures data reliability and validation.
 4.	Identify at least two e-Commerce systems that provide XML data  integration. For each system, describe how XML extensions could enable  e-Commerce integration among system stakeholders such as vendors,  resellers, suppliers, and customers.