jsp « Update « JPA Q&A





3. How to update using Hibernate    coderanch.com

Hi, I have the following columns in my table. Table name : EMPLOYEE Column names in table EMPLOYEE are ID,EMP_ID,EMP_NAME,EMP_PWD corresponding persistent java class in Employee.java public class Employee implements Serializable{ private static final long serialVersionUID = 1L; private int id; private String empId; private String empName; private String empPwd; public Employee(){} /** * @return the empId */ public String getEmpId() ...

4. Strategies for handling updates in existing JPA persistence classes    coderanch.com

Hi All, Good Afternoon. We are doing a project in which we have planned to use JPA Persistence. We think that once the project goes live, there is a small chance that changes in the data model might be required. My query is that what are the different strategies available to handle such a change. Particularly I have following questions: 1. ...

5. Creating JPA persistence unit without persistence.xml    coderanch.com

Hello, I have been googling this problem forever now but have not found a solution, hopefully someone here can help (or tell me that it can't be done). I have a JavaEE6 app that needs to connect to one or more databases which it does not know about at compile/deploy time. A connection pool has been defined for each database in ...