Getting Startedwith pureQuery

Appendix A – Solutions to the review questions 309
5. Extended Insight provides new statistics from the middle tier between the
application layer and the database layer, including database driver and network
statistics.
6. C.
7. D.
8. C.
9. D.
10. A.
Chapter 9
1. The advantages of using a persistence framework are to encapsulate the business
logic and relational schema from each other, and to allow the application developer
to focus on writing business logic instead of persistence management.
2. Object-relational mappers are the part of a persistence framework that maps
between object data and relational data, whenever the backend persistence store
is a relational database.
3. False. pureQuery is not a persistence framework, but is a platform which can
enhance a variety of existing persistence frameworks.
4. Object-relational mapping are often complicated by database normalization and
complex class hierarchies.
5. False. pureQuery supports both simple and complex object-relational mapping
schemes.
6. A. JDO has no pureQuery specific integrations.
7. D. XML entity mapping files, ResultHandlers, RowHandlers, and SQL
Replacement are all pureQuery features that support advanced object-relational
mapping design.
8. C.
9. A.
10. D.
Chapter 10
1. Specify an SQL statement that you want to execute as a parameter to a method in
the com.ibm.pdq.runtime.Data interface.
2. Create an instance of the Data interface by invoking a method in the
com.ibm.pdq.runtime.factory.DataFactory class.