Hibernate is an open source Java framework that allows developers to work with relational databases in an object-oriented way. It provides tools for object relational mapping, query languages, caching and transaction management. Hibernate supports many relational databases and provides a way to develop database independent applications. It allows developers to focus on application development without worrying about low level database operations like queries, result sets etc.
Java Hibernate Programming with Architecture Diagram and Examplekamal kotecha
Java Hibernate Introduction, Architecture and Example with step by step guidance to run the program especially for students and teachers.
Learn More @ http://java2all.com/technology/hibernate
Core Data can be intimidating at first. With a proper introduction, the transition into using Core Data can be much smoother. This presentation gives an overview of the core and advanced parts of Core Data.
Hibernate 3: Hibernate-What it is ?, ORM and Issues, Hibernate Hello World CRUD, Hello world with Servlet, Hibernate Object life cycle, Hibernate Architecture, Object as Component mapping, Hibernate Inheritance, Hibernate Unidirectional Mapping, Hibernate Bidirectional mapping, HQL, Native SQL queries, Named Quarries
Java Hibernate Programming with Architecture Diagram and Examplekamal kotecha
Java Hibernate Introduction, Architecture and Example with step by step guidance to run the program especially for students and teachers.
Learn More @ http://java2all.com/technology/hibernate
Core Data can be intimidating at first. With a proper introduction, the transition into using Core Data can be much smoother. This presentation gives an overview of the core and advanced parts of Core Data.
Hibernate 3: Hibernate-What it is ?, ORM and Issues, Hibernate Hello World CRUD, Hello world with Servlet, Hibernate Object life cycle, Hibernate Architecture, Object as Component mapping, Hibernate Inheritance, Hibernate Unidirectional Mapping, Hibernate Bidirectional mapping, HQL, Native SQL queries, Named Quarries
Igor Anishchenko
Odessa Java TechTalks
Lohika - September, 2012
This session starts with a high-level look at all that the Spring Data project has to offer.
Then we’ll dive deeper into a few select Spring Data modules, including Spring Data JPA, Spring Data MongoDB and Spring Data Redis.
Implementing a data access layer of an application has been cumbersome for quite a while. Too much boilerplate code had to be written!
Spring Data is a project that makes it easier to build Spring-powered applications that use new data, offering a reasonably consistent programming model regardless of which type of database you choose.
In addition to supporting the new “NoSQL” databases such as document and graph databases, Spring Data also greatly simplifies working with RDBMS-oriented datastores using JPA -simplifies the development of creating a JPA-based data access layer.
A powerful ORM tool to design data base access layer.
Fills gaps of mismatches between OOPs and RDBMS paradigm. Also maintains adequate ultra performance of database access.
An automated, configurable persistence of java objects with tables in data base.
May not be a good solution for data-centric application which uses only stored procedures to implement business logic in the database.
Spring Data is a high level SpringSource project whose purpose is to unify and ease the access to different kinds of persistence stores, both relational database systems and NoSQL data stores.
1er décembre 2015
Groupe Azure
Sujet: Introduction à DocumentDB
Conférencier: Vicent-Philippe Lauzon, Microsoft
Azure DocumentDB est une base de données de type NoSQL. Lors de cette introduction à DocumentDB, vous verrez:
• Ce qu'est une base de données NoSQL
• Comment DocumentDB se compare t-il face aux autres base de données Azure
• Comment DocumentDB se compare t-il face aux autres base de données NoSQL
• Comment créer et gérer une base DocumentDB
• Comment l'utiliser (outils + C#)
• Sécurité
• Performance / Capacité
Vincent-Philippe Lauzon est un Microsoft Azure Solution Architect & Machine Learning / Consultant Sénior chez CGI. Vous pouvez lire son blog http://vincentlauzon.com et le suivre sur Twitter https://twitter.com/vplauzon
Current big data technology scope overview prepared for V.I.Tech and Wellcentive companies. Answers questions why we are taking these products and what do we really do with them on very high level.
Mídia visual referente ao grupo alagoano de teatro, Cia Nêga Fulô, apresentada nos Seminários Avançados 1 do curso de Arte Dramática da Escola Técnica de Artes (ETA) da Ufal - Maceió.
Igor Anishchenko
Odessa Java TechTalks
Lohika - September, 2012
This session starts with a high-level look at all that the Spring Data project has to offer.
Then we’ll dive deeper into a few select Spring Data modules, including Spring Data JPA, Spring Data MongoDB and Spring Data Redis.
Implementing a data access layer of an application has been cumbersome for quite a while. Too much boilerplate code had to be written!
Spring Data is a project that makes it easier to build Spring-powered applications that use new data, offering a reasonably consistent programming model regardless of which type of database you choose.
In addition to supporting the new “NoSQL” databases such as document and graph databases, Spring Data also greatly simplifies working with RDBMS-oriented datastores using JPA -simplifies the development of creating a JPA-based data access layer.
A powerful ORM tool to design data base access layer.
Fills gaps of mismatches between OOPs and RDBMS paradigm. Also maintains adequate ultra performance of database access.
An automated, configurable persistence of java objects with tables in data base.
May not be a good solution for data-centric application which uses only stored procedures to implement business logic in the database.
Spring Data is a high level SpringSource project whose purpose is to unify and ease the access to different kinds of persistence stores, both relational database systems and NoSQL data stores.
1er décembre 2015
Groupe Azure
Sujet: Introduction à DocumentDB
Conférencier: Vicent-Philippe Lauzon, Microsoft
Azure DocumentDB est une base de données de type NoSQL. Lors de cette introduction à DocumentDB, vous verrez:
• Ce qu'est une base de données NoSQL
• Comment DocumentDB se compare t-il face aux autres base de données Azure
• Comment DocumentDB se compare t-il face aux autres base de données NoSQL
• Comment créer et gérer une base DocumentDB
• Comment l'utiliser (outils + C#)
• Sécurité
• Performance / Capacité
Vincent-Philippe Lauzon est un Microsoft Azure Solution Architect & Machine Learning / Consultant Sénior chez CGI. Vous pouvez lire son blog http://vincentlauzon.com et le suivre sur Twitter https://twitter.com/vplauzon
Current big data technology scope overview prepared for V.I.Tech and Wellcentive companies. Answers questions why we are taking these products and what do we really do with them on very high level.
Mídia visual referente ao grupo alagoano de teatro, Cia Nêga Fulô, apresentada nos Seminários Avançados 1 do curso de Arte Dramática da Escola Técnica de Artes (ETA) da Ufal - Maceió.
Настоящата презентация е изготвена по проект "Водата - европейска задача в глобален контекст" към програма "Еразъм +". В нея са разгледани разнообразни аспекти на глобалната тема: валежи, геотермални източници, свойства на водата, използване на водните ресурси, култура на къпане....
Вебинар директора ИДПО Холостовой Е.И. от 20.04.2016Viletika
Что происходило с социальной работой за последнюю четверть века? Как развивалась социальная работа и к чему это привело сегодня? Будущее социальной работы и как нам использовать достижения современной науки для повышения социальной ответственности и сплоченности в XXI веке? Этим и другим темам посвящен данный вебинар.
Lola Mirabail, responsable du département des services aux publics, Bibliothèque de l’université Paris 8 - auteure du mémoire de conservateur Enssib Lecture publique et immigration(s) : l’accueil des primo-arrivants dans les bibliothèques françaises.
YouTube Link: https://youtu.be/2sCAw1EbfEQ
Hibernate Certification: https://www.edureka.co/persistence-with-hibernate-self-paced
This Edureka PPT on "Hibernate Interview Questions" video will help you prepare for the role of a Hibernate Developer.
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Hibernate sits between traditional Java things and information source server to handle everything in persisting those things based on the appropriate O/R systems and styles.
Hibernate sits between traditional Java things and information source server to handle everything in persisting those things based on the appropriate O/R systems and styles.
Hibernate Query Language (HQL) is an object-oriented query language, similar to SQL, but instead of operating on tables and columns, HQL works with persistent objects and their properties. HQL queries are translated by Hibernate into conventional SQL queries which in turns perform action on database.
Introduction
Web Storage
WebSQL
IndexedDB
File System Access
Final Considerations
This presentation has been developed in the context of the Mobile Applications Development course, DISIM, University of L'Aquila (Italy), Spring 2015.
http://www.ivanomalavolta.com
Hibernate sits between traditional Java things and information source server to handle everything in persisting those things based on the appropriate O/R systems and styles.
Hibernate Interview Questions and AnswersAnuragMourya8
Hibernate is an open-source object-relational mapping (ORM) framework for Java. It provides a mapping between Java objects and relational database tables, allowing developers to work with databases using Java objects directly.
Finally Practice here most popular Hibernate Interview Questions and Answers.
Encryption in Microsoft 365 - ExpertsLive Netherlands 2024Albert Hoitingh
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GDG Cloud Southlake #33: Boule & Rebala: Effective AppSec in SDLC using Deplo...James Anderson
Effective Application Security in Software Delivery lifecycle using Deployment Firewall and DBOM
The modern software delivery process (or the CI/CD process) includes many tools, distributed teams, open-source code, and cloud platforms. Constant focus on speed to release software to market, along with the traditional slow and manual security checks has caused gaps in continuous security as an important piece in the software supply chain. Today organizations feel more susceptible to external and internal cyber threats due to the vast attack surface in their applications supply chain and the lack of end-to-end governance and risk management.
The software team must secure its software delivery process to avoid vulnerability and security breaches. This needs to be achieved with existing tool chains and without extensive rework of the delivery processes. This talk will present strategies and techniques for providing visibility into the true risk of the existing vulnerabilities, preventing the introduction of security issues in the software, resolving vulnerabilities in production environments quickly, and capturing the deployment bill of materials (DBOM).
Speakers:
Bob Boule
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Gopinath Rebala
Gopinath Rebala is the CTO of OpsMx, where he has overall responsibility for the machine learning and data processing architectures for Secure Software Delivery. Gopi also has a strong connection with our customers, leading design and architecture for strategic implementations. Gopi is a frequent speaker and well-known leader in continuous delivery and integrating security into software delivery.
Accelerate your Kubernetes clusters with Varnish CachingThijs Feryn
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This presentation was delivered at K8SUG Singapore. See https://feryn.eu/presentations/accelerate-your-kubernetes-clusters-with-varnish-caching-k8sug-singapore-28-2024 for more details.
Builder.ai Founder Sachin Dev Duggal's Strategic Approach to Create an Innova...Ramesh Iyer
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All these questions and more will be explored as we talk about matching clients’ needs with what your agency offers without pulling teeth or pulling your hair out. Practical tips, and strategies for successful relationship building that leads to closing the deal.
UiPath Test Automation using UiPath Test Suite series, part 3DianaGray10
Welcome to UiPath Test Automation using UiPath Test Suite series part 3. In this session, we will cover desktop automation along with UI automation.
Topics covered:
UI automation Introduction,
UI automation Sample
Desktop automation flow
Pradeep Chinnala, Senior Consultant Automation Developer @WonderBotz and UiPath MVP
Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
Essentials of Automations: Optimizing FME Workflows with ParametersSafe Software
Are you looking to streamline your workflows and boost your projects’ efficiency? Do you find yourself searching for ways to add flexibility and control over your FME workflows? If so, you’re in the right place.
Join us for an insightful dive into the world of FME parameters, a critical element in optimizing workflow efficiency. This webinar marks the beginning of our three-part “Essentials of Automation” series. This first webinar is designed to equip you with the knowledge and skills to utilize parameters effectively: enhancing the flexibility, maintainability, and user control of your FME projects.
Here’s what you’ll gain:
- Essentials of FME Parameters: Understand the pivotal role of parameters, including Reader/Writer, Transformer, User, and FME Flow categories. Discover how they are the key to unlocking automation and optimization within your workflows.
- Practical Applications in FME Form: Delve into key user parameter types including choice, connections, and file URLs. Allow users to control how a workflow runs, making your workflows more reusable. Learn to import values and deliver the best user experience for your workflows while enhancing accuracy.
- Optimization Strategies in FME Flow: Explore the creation and strategic deployment of parameters in FME Flow, including the use of deployment and geometry parameters, to maximize workflow efficiency.
- Pro Tips for Success: Gain insights on parameterizing connections and leveraging new features like Conditional Visibility for clarity and simplicity.
We’ll wrap up with a glimpse into future webinars, followed by a Q&A session to address your specific questions surrounding this topic.
Don’t miss this opportunity to elevate your FME expertise and drive your projects to new heights of efficiency.
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• How a better user experience drives measurable business benefits
• How to get started with SAP Fiori today
• How SAP Fiori elements accelerates application development
• How SAP Build Code includes SAP Fiori tools and other generative artificial intelligence capabilities
• How SAP Fiori paves the way for using AI in SAP apps
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📕 Vedremo insieme alcuni esempi dell'utilizzo di Autopilot in diversi tool della Suite UiPath:
Autopilot per Studio Web
Autopilot per Studio
Autopilot per Apps
Clipboard AI
GenAI applicata alla Document Understanding
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Flavio Martinelli, UiPath MVP 2023, Technical Account Manager @UiPath
Andrei Tasca, RPA Solutions Team Lead @NTT Data
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- Maintenance of superior security standards and inherent policy enforcement with Authorization to Operate (ATO)
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We will cover:
- How to remove silos in DevSecOps
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Link to video recording: https://bnctechforum.ca/sessions/selling-digital-books-in-2024-insights-from-industry-leaders/
Presented by BookNet Canada on May 28, 2024, with support from the Department of Canadian Heritage.
2. Hibernate is a free, open source Java package that
makes it easy to work with relational databases.
Hibernate makes it seem as if your database
contains plain Java objects like you use every day,
without having to worry about how to get them out
of (or back into) mysterious database tables.
Hibernate liberates you to focus on the objects and
features of your application, without having to
worry about how to store them or find them later.
3. Cost effective.
Learning is very easy compare to EJB.
High Performance than EJB
No more need for JDBC API for Result set handling.
Switching to other SQL database requires few
changes in Hibernate configuration file
4. Database independent application
Avoid writing queries
Avoid JDBC API completely
Hibernate uses connection pooling technique
Automatic Key Generation
Develop the Application in short Period of time
5. DB2
MySQL
PostgreSQL
Oracle (any version)
Microsoft SQL Server
HypersonicSQL
Informix
Ingres
Interbase
Pointbase
Mckoi SQL
Progress
FrontBase
SAP DB
Sybase
6.
7. Hibernate architecture has three main components:
Connection Management
Hibernate Connection management service provide efficient
management of the database connections. Database connection is
the most expensive part of interacting with the database as it
requires a lot of resources of open and close the database
connection.
Transaction management:
Transaction management service provide the ability to the user
to execute more than one database statements at a time.
Object relational mapping:
Object relational mapping is technique of mapping the data
representation from an object model to a relational data model. This
part of the hibernate is used to select, insert, update and delete the
records form the underlying table. When we pass an object to a
Session.save() method, Hibernate reads the state of the variables
of that object and executes the necessary query.
8. Hibernate is very good tool as far as object
relational mapping is concern but in terms
of
◦ connection management and
◦ transaction management,
it is lacking in performance and capabilities. So
usually hibernate is being used with other
connection management and transaction
management tools. For example apache DBCP is
used for connection pooling with the Hibernate.
9. Hibernate 3.0 provides three full-featured
query facilities:
Hibernate Query Language
Hibernate Criteria Query API
Hibernate Native Query
10. The Criteria interface allows to create and
execute object-oriented queries. It is
powerful alternative to the HQL but has own
limitations. Criteria Query is used mostly in
case of multi criteria search screens, where
HQL is not very effective.
11. Native SQL is handwritten SQL for all
database operations like create, update,
delete and select. Hibernate Native Query
also supports stored procedures. Hibernate
allows you to run Native SQL Query for all the
database operations, so you can use your
existing handwritten sql with Hibernate, this
also helps you in migrating your SQL/JDBC
based application to Hibernate.
12. Configuring Hibernate
Persistence Class
Map the Object to the Database table (Using
Annotation)
Setting up the Database
Insert, Update and Delete records in the table (Hibernate
automatically creates query to perform this operations)
13.
14.
15.
16.
17. Make SQL be object oriented
•Classes and properties instead of tables and columns
•Polymorphism
•Associations
•Much less verbose than SQL
Full support for relational operations
•Inner/outer/full joins, cartesian products
•Projection
•Aggregation (max, avg) and grouping
•Ordering
•Subqueries
•SQL function calls
18. Simplest HQL Query:
from AuctionItem
i.e. get all the AuctionItems:
List allAuctions = session.createQuery(“from AuctionItem”).list();
•SQL function calls
19. 1. HQL Select Query Example
Retrieve a stock data where stock code is “7277″.
Query query = session.createQuery("from Stock where stockCode = :code ");
query.setParameter("code", "7277");
List list = query.list();
Query query = session.createQuery("from Stock where stockCode = '7277' ");
List list = query.list();
20. 2. HQL Update Query Example
Update a stock name to “DIALOG1″ where stock code is “7277″
Query query = session.createQuery("update Stock set stockName =
:stockName" + " where stockCode = :stockCode");
query.setParameter("stockName", "DIALOG1");
query.setParameter("stockCode", "7277");
int result = query.executeUpdate();
Query query = session.createQuery("update Stock set stockName =
'DIALOG1'" + " where stockCode = '7277'");
int result = query.executeUpdate();
21. 3. HQL Delete Query Example
Delete a stock where stock code is “7277″.
Query query = session.createQuery("delete Stock where stockCode =
:stockCode");
query.setParameter("stockCode", "7277");
int result = query.executeUpdate();
Query query = session.createQuery("delete Stock where stockCode = '7277'");
int result = query.executeUpdate();
22. 4. HQL Insert Query Example
In HQL, only the INSERT INTO … SELECT … is supported; there is no INSERT INTO … VALUES. HQL
only support insert from another table. For example
Insert a stock record from another backup_stock table. This can also called
bulk-insert statement.
Query query = session.createQuery("insert into Stock(stock_code,
stock_name)" + "select stock_code, stock_name from backup_stock");
int result = query.executeUpdate();
Note :The query.executeUpdate() will return how many number of record has
been inserted, updated or deleted.
23.
24. Like other operations, transactions are performed using the Session object.
Here’s an example:
Session session = sf.openSession();
Transaction tx = session.beginTransaction();
try {
AuctionItem item =
(AuctionItem) session.get(ActionItem.class, itemId);
bid.setItem(item);
item.getBids().add(bid);
tx.commit();
} catch (Exception e) {
tx.rollback();
throw e;
} finally {
session.close();
}
25.
26. Performance of Hibernate web applications is improved using caching by
optimizing the database applications.
The cache actually stores the data already loaded from the database, so that the
traffic between our application and the database will be reduced when the
application want to access that data again. Maximum the application will works
with the data in the cache only. Whenever some another data is needed, the
database will be accessed. Because the time needed to access the database is
more when compared with the time needed to access the cache. So obviously the
access time and traffic will be reduced between the application and the database.
Here the cache stores only the data related to current running application. In order
to do that, the cache must be cleared time to time whenever the applications are
changing.
28. First-level cache.
First-level cache always Associates with the Session object. Hibernate uses
this cache by default. Here, it processes one transaction after another one,
means wont process one transaction many times. Mainly it reduces the
number of SQL queries it needs to generate within a given transaction. That is
instead of updating after every modification done in the transaction, it updates
the transaction only at the end of the transaction.
29. Second-level cache
Second-level cache always associates with the Session Factory object.
While running the transactions, in between it loads the objects at the Session
Factory level, so that those objects will available to the entire application,
don’t bounds to single user. Since the objects are already loaded in the
cache, whenever an object is returned by the query, at that time no need to go
for a database transaction. In this way the second level cache works. Here we
can use query level cache also. Later we will discuss about it.
30. Cache Implementations
Hibernate supports four open-source cache implementations named
EHCache (Easy Hibernate Cache), OSCache (Open Symphony Cache),
Swarm Cache, and JBoss Tree Cache. Each cache has different
performance, memory use, and configuration possibilities. .
31. EHCache (Easy Hibernate Cache)
(org.hibernate.cache.EhCacheProvider)
• It is fast.
• lightweight.
• Easy-to-use.
• Supports read-only and read/write caching.
• Supports memory-based and disk-based caching.
• Does not support clustering.
32. OSCache (Open Symphony Cache)
(org.hibernate.cache.OSCacheProvider)
• It is a powerful .
• flexible package
• supports read-only and read/write caching.
• Supports memory- based and disk-based caching.
• Provides basic support for clustering via either JavaGroups or JMS
33. SwarmCache (org.hibernate.cache.SwarmCacheProvider)
• is a cluster-based caching.
• supports read-only or nonstrict read/write caching .
• appropriate for applications those have more read operations than write
operations.
To use Hibernate, it is required to create Java classes that represents the table in the database and then map the instance variable in the class with the columns in the database. Then Hibernate can be used to perform operations on the database like select, insert, update and delete the records in the table. Hibernate automatically creates the query to perform these operations.