Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / surajkumar.java
Access to data varies depending upon the source of data
(Relational Database, Object Oriented Database, Flat File
and Business to Business integration systems). Such
disparate data sources offer challenges to create a direct
dependency between application code and data access code.
Including the connectivity and data access code within
application code introduces a tight coupling between the
components (JSP, Servlet or Struts Action) and the data
source implementation. Such code dependencies in components
make it difficult and tedious to migrate, the application
from one type of data source to another. Data Access Object
(DAO) makes abstract and encapsulate all access to the data
source. The DAO manages the connection with the data source
to obtain and store data. The DAO acts as an adapter
between the application components (JSP, Servlet or Struts
Action) and the data source.
| Is This Answer Correct ? | 41 Yes | 4 No |
Post New Answer View All Answers
What is assembly in java?
Is advanced java and j2ee same?
What is front end technology in java?
What is the description for expression element?
What is considered as a web component?
What is main method in java?
What does application client module contain?
to update a batch in a table in jdbc which method of statement object is used
What is devops in java?
Describe the ear, war, and jar.
What are the j2ee client types?
What is core java and j2ee?
What is the mvc on struts?
What is j2ee tutorial?
What is pure java?
