1. Hibernate vs. JDBC stackoverflow.comI am working on a project that previously used Hibernate. Honestly, it seems like Hibernate complicates it more than JDBC would have. Also, it seems that a lot of the power ... |
2. Middle ground between JDBC and Hibernate? stackoverflow.comWe've been implementing Hibernate recently as a replacement for JDBC.
What I like is not having to constantly write |
3. Should I include main method for JPA? stackoverflow.comFor the last three days i am learning JPA by various examples, to change my JDBC code to JPA. Every JPA example and tutorial have main method to run it. Of ... |
4. Anyone ever used ha-jdbc with JPA? stackoverflow.comhi anyone ever tried using ha-jdbc with jpa? im trying to do so, and shamefully no example online. even a small example would be really appreciated. ps. im surprised people arent ... |
5. Hibernate issues when upgrading from JDBC3 to JDB4 stackoverflow.comWould there be a problem in Hibernate if upgrade from JDB3 to JDB4 is done? Does hibernate need to be updated also? |
6. Java ETL process stackoverflow.comI have this new challenge to load ~100M rows from an Oracle database and insert them in a remote MySQL database server. I've divided the problem in two:
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7. Q 4 C. Bauer & G. King (1): how Hibernate relates to JDBC coderanch.comhibernate uses JDBC to comunicate with the DB. when working with hibernate you do not care about JDBC, SQL, Connections and so on. Hibernate is a layer above all this and simplifies your life when storing/retrieving Objects from/to DB. For special cases you can still use a JDBC DB Connection to do some work on DB but the ideal case would ... |
8. Hibernate Vs JDBC coderanch.comHibernate will work fine with Oracle 9i (that's what my company uses). Since Hibernate uses JDBC, with enough time, work, and craftiness you should be able to hand-code JDBC to be faster than Hibernate. The trick, however, is that with a sufficiently complex application, the risks of making a mistake with JDBC are greater than with a tool like Hibernate, JDO, ... |
9. JDBC and Hibernate coderanch.com |
10. When should I use JDBC and when to use Hibernate coderanch.comI can't seem to figure out how to implement UTF-16 CHARS using JDBC. Does Hibernate serialize objects and then allow the resulting data to be stored in a JDBC database? I worry about serializations that are stored on a disk or that may become different between client and server such as might be the case when using RMI. Is serialization a ... |
11. hibernate for JDBC coderanch.com |
12. using JPA and JDBC together coderanch.comHi, first, I'm a new member and I hope that my post is in the right section I want use EJB3 in my application but the problem is that I canno't map a table wich contains financial market data (over 100 000 rows per table), I need to extract them from the database to do some treatements and inject the result ... |
13. JDBC OR HIBERNATE ? coderanch.comHi there... As far as i know that JDBC is a API for working out Java Application with any database at hand. And Hibernate is a ORM solution. Please clarify the following questions: 1)How JDBC and Hibernate are related ? 2)Should i learn JDBC first and work on java applications.Then move to Hibernate. I am having basic knowledge of Oracle SQL ... |
14. OJB or Hibernate coderanch.com |
15. hibernate vs JDBC coderanch.comWe have a scnario where in once a week a batch program will run and it will process 2 million records. we have to retrieve them from a a file, store them in a table and process the records and update the table. For the database part, we are deciding whether to use the a OR mapping tool like Hibernate or ... |
16. Hibernate VS JDBC coderanch.com |
17. Hibernate and Jdbc coderanch.comThanks paul. Our application is built using JDBC calls for DB operations. We have included a third party jar file which will invoke an ejb deployed on a remote location. The ejb call will return results. Those results are saved by classes included in the third party jar. third party jar file is using hibernate to save the results in db. ... |
18. converting from Hibernate to JDBC??? coderanch.comAt work we have tons hibernate stuff and JDBC stuff. What we are trying to do is find a simply way of taking the hibernate query and turning it into a JDBC query. Like taking a Criteria Object and turning it into a PreparedStatment JDBC object ? And visa versa. Any clues??? |
19. Do the Hibernate supports Msaccess coderanch.com |
20. Jdbc vs Hibernate support Jdbc coderanch.comHibernate allows direct access to JDBC for the same reason it provides methods to run SQL directly: for the few cases where your specific application logic requires you do something with the database that cannot be done through Hibernate itself. For example, you might want to create database users in your application. The disadvantage is you tie your applciation into the ... |
21. JPA vs Home Grown JDBC Wrappers coderanch.comHi, Ive been through several of the posts in this forum on the performance advantages of JPA, over several other technologies. But, I still have a doubt on specific things, which is why I'm posting this question. I've been trying to implement a performance exhaustive application which needs to load data from tables, to a local cache. And, also provide interfaces ... |
22. JDBC-hibernate coderanch.comWe have all of our objects mapped to database tables. When we start the application it creates all of the tables and relationships and to date I have not written a single line of SQL except from what was required to create the database. Once mapped, you can do smple operations like select all, select by ID, save, update, delete with ... |
23. Is JDBC faster than JPA? coderanch.comYes, and no. Since this answer answers all comparative performance questions, I'll flesh it out a bit. JDBC requires more boiler plate code written so is liable to take longer to write in the first place and more effort to maintain. Given the trade off between the cost of hiring a developer against the cost of buying a more powerful computer, ... |
24. illegalArgumentException, HSQLDB, and Hibernate coderanch.comGreetings, So I whipped up a java/swing/hibernate/hsqldb desktop app in Eclipse. pertinent.cfg.xml |
25. hibernate lazy=False java-forums.org |
26. MSAccess and hibernate java-forums.org |
27. Hibernate Standards java-forums.org |
28. Hibernate doubt java-forums.org |
29. Some information about Hibernate java-forums.org |
30. question about hibernate java-forums.org |
31. Hibernate java-forums.orgI have the follow problem with hibernate when I want to get data from db. the methods are : public static List getModulos(String idProject,Long[] modulosID){ Session session = SEPhibernate.getSessionFactory().getCurrentSession (); session.beginTransaction(); ModulosDAO dao = new ModulosDAO(session); List modulos=null; try { modulos = dao.getModulos(idProject,modulosID); } catch (Exception ex) { ex.printStackTrace(); } session.close(); return modulos; } public List getModulos(String project,Long[] modulosID) throws HibernateException ... |
32. threads and hibernate java-forums.orgI run a thread that makes connections with hibernate, they are querys of hibernate and if the table has been updated I insert records It works ok but when I execute the thread, after 2 minutes lost the database connection... do you know what is the problem? how can I fix? org.hibernate.exception.GenericJDBCException: Cannot open connection at org.hibernate.exception.SQLStateConverter.handledN onSpecificException (SQLStateConverter.java:91) at org.hibernate.exception.SQLStateConverter.convert( ... |
33. Hibernate 3x with sub class java-forums.org |
34. Hibernate java-forums.org |
35. Problme avec Hibernate java-forums.orgHello all I have a problem with hibernate: I have installed Hibernate3 hibernate2 and I import them.But the problem persists at the session. My java code: import net.*; import org.*; import com.*; import java.util.*; import net.sf.hibernate.*; import com.test.java.hibernate.*; public class Test{ public static void main(String[]args) throws HibernateException{ //The method beginTransaction() is undefined for the type Session Session session=HibernateUtil.currentSession(); Transaction tx=session.beginTransaction(); TContact ... |
36. hibernate execption java-forums.org |
37. Hibernate optimization java-forums.org |
38. Communication link failure using hibernate java-forums.orghi, I'm newbie with hibernate do you have any solution how to fix this error: WARNING: SQL Error: 0, SQLState: 08S01 SEVERE: Communications link failure Last packet sent to the server was 0 ms ago. Pls. take note that DB is on the other machine does it affects the connection. thnx.. server used: glassfish |
39. Should I be using hibernate? java-forums.orgHi all. I am thinking of creating lesson management software for the school I currently work for. I wish the have all the individual pieces of a lesson stored in a MySQL database (eg. games, activities, etc) as well as schedules, messages and lots of other pieces of information. I have spent hours and hours writing SQL statements and converting datatypes ... |
40. JPA/JPA2: please tell me if I understand this correctly. java-forums.orgIf I understand what I've been reading, entities can be detached from one EntityManager and merged into the persistence context of the same or a different EM. So multiple threads could conceivably operate on detached objects using ordinary Java synchronization, and then merge their changes later. I know there are a few things to watch out for if I do this. ... |
41. Hibernate adding/overwriting records incorrectly java-forums.orgI am a HIbernbate newbie and have a problem that has been bothering me for days. Here is a rundown of the issue I am having: 1. There is a @Entity class called Resource which contains a Key field and an ID field. 2. There is a @Entity class called Agreement which extends Resource. 3. There is a @Entity class called ... |
42. JPA vs Hibernate java-forums.orgHi all, I'm thinking about building a application using just JPA instead of using JPA with Hibernate. My question is how can I access DB with just JPA? Do I have to use JDBC? From what I've been reading Hibernate "facilitates" JPA by providing a mechanism to communicate with DBs (among other things). thank you for reading EDIT: Ok, JPA is ... |
43. Hibernate, help me java-forums.org |
44. xdoclet and hibernate java-forums.orgHi nick Java Code: /** * @hibernate.class table="table" */ public class ClasswithCompositeId { private ClasswithCompositeIdPk PK; /** * @hibernate.id generator-class="assigned" * */ public ClasswithCompositeIdPk getPK() { return this.PK; } public void setPK(ClasswithCompositeIdPk thePK) { this.PK = thePK; return; } } package saes.election.eligibleoption; import java.io.Serializable; import org.apache.commons.lang.builder.*; public class ClasswithCompositeIdPk implements Serializable { /** * The composed eligible option this role is ... |
45. how to prevent autogenerated sqlstrings in hibernate ? java-forums.orgHi , I am new to hibernate I wish to know if anyone knows how to disable the sqlstrings generated by hibernate after reading the configuration files. The problem is that in my case there are huge no of fields in some of the tables and the the generated sql select , update etc query Strings are itself holding a huge ... |
46. Hibernate Use java-forums.orgHi Every one, I am learning Hibernate.For this i am following tutorials form different websites.In every tutorial they gave examples for saving data or to update data.I couldn't find any examples for retrieving data(like retrieving a row depending on some condition ) .Now my doubt is,Can't we use hibernate for retrieving data form a table? If we can,how to do that ... |
47. How hibernate uses JDBC internally or it uses its own Method forum.hibernate.orgHi I just want to know how hibernate able to connect to database without using JDBC. Because which ever the Database we use,we have to use JDBC to connect to that database but in hibernate we wont put any jdbc code. so please can any one explain what is the underlying technology hibernate uses to perform all the jdbc task. regards ... |
48. Executing JDBC QUERRY forum.hibernate.org |
49. Combining Hibernate and JDBC forum.hibernate.orgHello, I'm currently working on a project using Hibernate, Spring, and some direct JDBC. In this project, we have a portion of the code that uses JDBC to persist data. Another part of the code uses Hibernate. We have a service which needs to call both within the same transaction. First, a JPA object is created for a new User object. ... |
50. JDBC Username and Password forum.hibernate.orgI have a situation where the JDBC connection isn't a static set of username and password, but that the actual user making the request is used to make the connection. Is it possible to pass the JDBC Connection Username and Password to Hibernate at runtime in the context or some other way? |
51. How to handle timestamps with hibernate an ingres via jdbc ? forum.hibernate.orgI have searched for the correct solution, but am not sure of the correct way of handling timestamps with nanos with hibernate. Hibernate version: 3.2.6, using JDK 1.4 java.sql.Timestamp handling Ingres Databas Version: , version: II 9.3.0 (int.w32/159) Ingres Jdbc driver version: Ingres Corporation - JDBC Driver, version: 3.4.9 I have now implemented the HibernateUTC UserType approach see: https://www.hibernate.org/100.html or https://www.hibernate.org/461.html ... |
52. Using Hibernate for new enhancements with Existing JDBC Code forum.hibernate.orgHi Everyone, We have an application which is using JDBC and which uses an existing DataSource in websphere application server. We are getting new enhancements in our application and we are trying to use Hibernate for new enhancements. As our old code is still in JDBC and if we try to migrate new enhancements using hibernate and both will be using ... |
53. Hiberante VS JDBC - Which will give more perforamce and why? forum.hibernate.org |
54. user should provide JDBC Details. Please suggest. forum.hibernate.orgHi, I am new to Hibernate, Today i have configured my webapplication which is deployed on Tomcat to use Hibernate to update the database tables. I have provided all the configuration files, class files, Database tables. I have verified them many times for confirmation, still when i try to update the table with the values provided in the form, it is ... |
55. Support for JDBC 3 forum.hibernate.org |
56. Simple Jdbc forum.hibernate.orgsounds all good.... ...but just to inform ya' ;) Stored procedures is now very possible to use by making a Custom ClassPersister (and the new possibility a Custom CollectionPersister)....at least to persist stuff (not query stuff ;) To query stuff via stored procedures (or by other means) we are very interested in making this possible/easier in hibernate. createSQLQuery() is one of ... |
57. performace about jdbc and hibernate and jdbc from hibernate forum.hibernate.orghi , guys i used a hql to execute in hibernate Code: from Post as post inner join post.postContent inner join post.poster where post.thread.threadID = :threadid order by post.postTime it took 170 milliseconds it's too slow to my opinion , so i want to find out for why i got the sql from this hql , it is: [code] select post0_.postID ... |
58. what's the difference between the jdbc and hibernate? forum.hibernate.orgwhe i use the connection which get from jdbc to call a procedure,it works well.but when i use the connection which get from Hibernate.getSession().connection(),it does't work.my code as follow: CallableStatement cs; try { cs = connection.prepareCall("{call sp_zyjs_match(?,?,?,?)}"); cs.registerOutParameter(4, Types.VARCHAR); cs.setInt(1,1); cs.setString(2, "1000000000"); cs.setString(3,"admin"); cs.execute(); String outParam=cs.getString(4); System.out.println("message = " + outParam); ...... the error is: java.lang.NullPointerException at oracle.jdbc.dbaccess.DBDataSetImpl._createOrGetDBItem(DBDataSetImpl.java:535) at oracle.jdbc.dbaccess.DBDataSetImpl.setBytesBindItem(DBDataSetImpl.java:1642) at ... |
59. JDBC vs Hibernate forum.hibernate.orggreetings, i did a battery of tests making sure that both hibernate an jdbc generate the *exact* same sql. the test case involves creating objects in various numbers. Code: Add objects (INSERT) Objects Hib JDBC 100 ... |
60. Coexist Hibernate with Legacy JDBC code forum.hibernate.orgHello All: We have an Application that runs within the Tomcat container. The persistence layer is coded using JDBC. I have been looking into Hibernate and of course and very impressed. I would want us to move our persistence layer to use Hibernate. However I do not see getting permission to change the entire existing JDBC code to Hibernate. Not at ... |
61. hibernate and Livelink (can I use other stores than JDBC?) forum.hibernate.orgHello, I am evaluating different options to have an object layer on top of opentext's livelink. While Livelink (at least our implementation) has an oracle backend, we are only (maximally) allowed to read from Oracle. To write, we are required to use the Livelink API (java API but not really object-oriented). So the question is: is it possible to use Hibernate ... |
62. Forcing Hibernate to use the JDBC3 getGeneratedKeys() (?) forum.hibernate.orgHow can I force Hibernate to use the JDBC3 getGeneratedKeys() function? I'm using Informix 9.4, and I get always the following message in the logfile : ------------------------------------------ 09:01:10,403 INFO SettingsFactory:105 - Use JDBC3 getGeneratedKeys(): false ------------------------------------------ I'm using the following hibernate.cfg.xml : ------------------------------------------ |