Which of the following XPath expressions for relative paths refers to the context node itself?

Second normalization takes care of:

a. the insertion anomaly b. the update anomaly c. the deletion anomaly d. the schema

When an object of a derived class is instantiated, the base class’s ______ is called im- plicitly or explicitly to do any necessary initialization of the base-class data members in the derived-class object.

Fill in the blank(s) with the appropriate word(s).