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O/R mapping is well suited for read, change, write centric applications and not suited for write centric applications where data is seldom read. Although this was usually true of many earlier O/R mapping frameworks, most today give for efficient paths of performing large batch style write operations. O/R mapping tools/frameworks give you to model inheritance, composition and association class relationships. O/R mapping tools work well in 85-90% of cases. Use basic database features like triggers, stored procedures etc, when O/R mapping is not appropriate. Keep in mind that no one shape fits all solution. O/R mapping tools/frameworks allow your program to be:
EJB 2.x is broadly adopted server side component architecture for J2EE. 1. EJB is a remote, distributed multi-tier system and allows protocols like IIOP, JRMP, and HTTP etc.
What are object/relational mapping integration module? Ans) Spring also supports for using of an object/relational mapping (ORM) tool over straight JDBC by giving the ORM module
differentiate between states and behaviors of n object
Separating your business logic with other functionality such as services, Loggers etc, making classess more cohesive.
What are the role of Keywords in java? Keywords are identifiers such as public, static and class in which have a special meaning inside Java source code and outside of comments
I am supposed to call an external application (which is command-line based) and send input to the application from java. I created a batch file to call the application. It successf
Write a brief note on each of the following. FTP Telnet Instant messaging VoIP FTP: File Transfer Protocol: This protocol is used to upload and download the
coording for BST
Describe the Superclass in Inheritance ? In this example you start through defining a more common MotorVehicle class. public class MotorVehicle { private String licensePlat
(Package Inheritance Hierarchy) Package-delivery services, such as FedEx®, DHL® and UPS®, offer a number of different shipping options, each with specific costs associated. Create
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