Use untyped XML data type in the following situations:
A. You have schema for your XML data and you want the server to validate your XML data according to the XML schema
B. You want to take advantage of storage and query optimizations based on type information
C. You want to take better advantage of type information during compilation of your queries
D. You do not have a schema for your XML data
Answer:A
Use untyped XML data type in the following situations:
A. You have schema for your XML data and you want the server to validate your XML data according to the XML schema B. You want to take advantage of storage and query optimizations based on type information C. You want to take better advantage of type information during compilation of your queries D. You do not have a schema for your XML data
Explanation: Untyped XML type does not have schema.