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1. using multiple table in hibernate, problem with output    stackoverflow.com

I am using following query

from A as a,B as b,C as c where a.val='1' and b.val=a.val and c.val=b.val
Now if i do follow
query.list();
what will be the output? Also if I want to get ...

2. any hibernate program of multiple tables    stackoverflow.com

Can i find any example of Java Hibernate in which have delete the data from multiple tables.

3. hibernate - multiple classes with one table?    coderanch.com

I'm trying to follow a modified version of the Lightweight Class pattern http://www.hibernate.org/41.html In my case, I have two peer classes, one 'summary' one 'detail'. For performance reasons, I want to send hibernate my search criteria, return back a collection of Summary objects, allow the user to pick the real object, send hibernate the id of that object, then bring up ...

4. Hibernate - Single Class to Multiple Tables    coderanch.com

Our group is working on a project in which we have identical tables with different names for the each month of the year. for example: SALES_JAN SALES_FEB etc.. With the exception of the table name, the stucture of all of the tables are identical. Because the potential size of the tables, our dba wants to drop and add the tables after ...

5. JPA: multiple many-to-many realationships between same two tables?    coderanch.com

Is it possible to have more than one many-to-many relationship between two entities in JPA (or JPA2)? Let's say that we want to model musical preferences. We have the two entities Person and Album. If we just want to model who owns what album then we can have a plain vanilla many-to-many relationship between the two. But now we also want ...

6. Can we create a single java class for multiple tables & how?    forum.hibernate.org

Hi, I am new to hibernate. I have a requirement in which i have to create a single POJO class for the multiple tables having all relationship as many-to-one and one-to-many and how we will implement the mapping files as both hbm files will be associted with one class.I am not able to find any example on the net for this ...

7. Creating a class from multiple tables    forum.hibernate.org

Forgive if this has been answered many timed before. I have checked the faq but couldn't find anything. If I want to create a class that uses many tables for its properties can I do this or do I have to subclass? For example, if I have a table 'table1' with properties: ID NAME ADDRESS ZIPCODE and another table 'table2' with ...

8. multiple views of the same table    forum.hibernate.org

9. Storing multiple objects to one table    forum.hibernate.org

I am currently doing some R&D on Hibernate and intend to use it. But my database table schema is very old and cannot be changed. It's an Informix one and I am using Hibernate 2.1.3. I have to insert data into one table which would be coming from many unrelated objects which may or may not be composite. Composition has been ...





10. Storing one object in multiple tables    forum.hibernate.org

11. Same class for Multiple tables    forum.hibernate.org

12. Single Object across multiple tables    forum.hibernate.org

13. Creating multiple objects but one table    forum.hibernate.org

I understand your response but it was a technique I used with TopLink. I basically had two or three type of objects (CoreInformation, DetailedInformation). I never liked lazy loading since if I had many one to ones then it would become inefficient to retrieve data. In the the scenerio you described it would never happen since I wouldn't have overlap columns. ...

14. same model persists to Multiple tables - please help (long)    forum.hibernate.org

Hibernate version: 3.0 I am working on an enterprise web project which requires we store customer data into different tables. These tables have absolutely the same schema. But they need to be named based on userId. For example, customer 1's data stored in table data1, customer 2's data in data2.... Well, to me this looks like a bad design to begin ...

15. Hibernate on a table patitioned between multiple db servers    forum.hibernate.org

Hello, this is a general question about Hibernate... I have data that does not fit into a single database. Also the performance requirements are too large for a single server. One solution would be to partition the data by some key and have several DB servers each with a portion of data. I am using MySQL, but I don't think MySQL ...

16. HQL question - Multiple tables, return only 1 table and ...    forum.hibernate.org

Try it yourself. SELECT t1 FROM Table1 t1, Table t2 WHERE t1.column = t2.column If there was a relationship defined in the mapping (which is much better). SELECT t1 FROM Table1 t1 join t1.table2 The alias in the select clause defines what is returned in the list, eg, the complete table1 objects As always its best to have a play and ...





18. HQL question - Multiple tables, return only 1 table and ...    forum.hibernate.org

Hi, I have a mapping-file like this: Mapping documents: ... ... ...

20. Multiple Objects (and their data) to Single Table?    forum.hibernate.org

perhaps you can be more specific as I, for one, do not understand what it is you are working with or trying to acheive; thus hard to know where to start ;) Are these multiple *classes* in an inheritence hierarchy? That's what the link you posted is talking about. Sounds like this is an existing table structure... If so, what does ...

21. Result from multiple tables    forum.hibernate.org

Hi, I'm working on getting the data from two tables of DB2 database. (Contact and Address) If I code as following in the DAO. session.get(Contact.class,"XYZ") Where "Contact" is the value object, containing the getter setter methods of the values of both the tables. In this class, I've defined a "Set" to get the values from Address table. session is an object ...

22. Data retrieval from multiple tables    forum.hibernate.org

saikrishna wrote: The problem here is the complex mapping Table 1 has the following keys key1,key2,key3 (PK) in addition to key4(unique but not part of primary key) Table2 has key4 as the primary key How do I specify the mapping for this? Is is even possible? Will these mappings work for you Code:

23. Question: One class, multiple tables    forum.hibernate.org

Hibernate version: 3 Summary: How do I specify the table name for a hibernate persisted object at runtime? And how can I ensure instances of the same Class can reference different tables without interfering with each other? ---------------------------------------------- I'm trying to convert a partially-complete application to Hibernate, and I'm not having any luck finding info about how to have a class ...

24. Object with data from multiple tables...    forum.hibernate.org

I am writing a cleanup function for a job scheduler. It involves 3 tables: TB_ALGO_JOB_EXECUTION, TB_ALGO_SCHEDULED_JOB and TB_ALGO_SCHEDULED_JOB_AUD. The first table contains some sort of logging of the jobs that have been executed. The second table contains the scheduled jobs and the third keeps track of jobs that were cancelled. As you can see in the query below: I need a ...

26. Multiple databases having same table names    forum.hibernate.org

Hi All, Currently we are facing an architecture for our j2ee application which needs to interact with two separates Oracle Databases (not oracle schemas). One is a data warehousing (OLAP) type database & the other is a OLTP. The architecture is something like this - we have screens which insert & modify data. For this we interact with the OLTP database. ...

27. access data from multiple tables    forum.hibernate.org

I am using hibernate to access data from multiple tables and I need that data to be used in a visualization that I use. The main aspect of the data is the time field in each of the tables which is needed by the visualization. here is the problem. I am not able to access data from multiple tables using HQL. ...

28. Accessing multiple tables of two different databases    forum.hibernate.org

I am new to Hibernate. I have done few basic examples in Hibernate. I have a doubt could anyone clarify my doubt. I have two databases namely Database 1 and Database 2. Database 1 contains a table called Table Source. And table Source has an id and value columns like this Table Source Id1 Value1 1 A 2 B 3 C ...

29. creating table from elements in multiple classes    forum.hibernate.org

[b]Hibernate version: 3.2 [b]Mapping documents Code: :[ ...

30. Get data from multiple tables    forum.hibernate.org

Hi, I'm quite new to Hibernate. Last time when I'm using native SQL, I can simply retrieve data from multiple tables such as, SELECT t1.t1_id, t1.desc, t2.desc2, t3.desc3 FROM table1 t1, table2 t2, table3 t3 WHERE t1.t1_id = t2.t2_id AND t2.t2_id = t3.t3_id As I need to retrieve a large number of records efficiently, does anyone know how can this works ...