I have two tables, one called Guest and and another called Reservation, in a MySQL database. My MySQL database install does not seem allow me to use ForeignKeys (apparently they are only support by INNODB tables). The Guest table has columns ( guestId, lastName, firstName, phone ). The Reservation table has columns ( id, date, time, guestId ). One guest can ...
Hi I am new to Hibernate, I am using Struts, Hibernate, and MySQL for a project. I have a form with different fields. After submitting I want to break the data and add in two records of the same table. I appreciate if someone help me. Thanks Anosh Following are the information for you. Hibernate version: 3.0.5 Mapping documents:
Yeah should have gave more info sorry. My cat object has a getId but id in the table is of type sequence, so getId() would return null, as the cat object only has the name variable lets say initialised. Like I said the id is generated in hibernate when saving to the table. The id is never in my code. I ...
Hallo all, i'm pretty new. I got a problem with Hibernate. I got a Pojo like this one public class Argument { private String id; private String key; private String value; ...... } In hibernate mapping the id is native. I would like the same record in the DB when i save two Arguments with same key and value. Instead when ...
Newbie Joined: Wed Nov 15, 2006 7:00 pm Posts: 3 Hi! I am very new to Hiberbate. I made simple application. But in this simple application, every time when I want to list all values from table, this table is truncated. Here is my code: Osoba.java: Code: package dokumenty; import java.util.*; public class Osoba { private Long ...
I'm currently working on an application with very very high data integrity requirements and we need to make sure that no one can ever update, create or delete rows directly in the database or via some other application. Hence our idea would be to calculate, after each create, delete or update, - a hash code of the modified row, stored in ...
SELECT * FROM entity_table o WHERE o.id = 1 AND o.validFrom = ( SELECT MAX(i.validFrom) FROM entity_table i WHERE o.id = i.id AND i.validFrom <= NOW() AND ( i.validTo >= NOW() ...