CodeGym
AI Academy
Promotion
CodeGym University
Learning
Courses
Tasks
Surveys & Quizzes
Games
Help
Schedule
Community
Users
Forum
Chat
Articles
Success stories
Activity
Reviews
Subscriptions
Light theme

Lessons

  • Reviews
  • About us
Start
Start learning
Start learning now
  • My Progress
  • Courses
  • University
  • Quest Map
  • Lessons
  • Transactions when working with a database

    SQL & Hibernate
    Level 8, Lesson 0
    Why are transactions needed? Transactions in JDBC. Save points.
    Available
  • Working with PreparedStatement

    SQL & Hibernate
    Level 8, Lesson 1
    Types of statements. PreparedStatement. An example of using PreparedStatement.
    Available
  • Calling SQL Server Functions

    SQL & Hibernate
    Level 8, Lesson 2
    CallableStatement. Batching requests.
    Available
  • Saving objects to the database

    SQL & Hibernate
    Level 8, Lesson 3
    Complete list of JDBC data types. BLOB data type. Saving the Java object to the database. Reading a Java object from a database.
    Available
  • Advanced work with ResultSet

    SQL & Hibernate
    Level 8, Lesson 4
    ResultSet customization. ResultSet types. Concurrency. An example of changing data in a database.
    Available
  • Working with RowSet

    SQL & Hibernate
    Level 8, Lesson 5
    Introduction to RowSet Creating a RowSet Object RowSet Examples
    Available
  • Working with the thread pool

    SQL & Hibernate
    Level 8, Lesson 6
    Connection pool DataSource interface and ConnectionPoolDataSource JNDI interface Examples of Connection Pools
    Available
Learn
  • Registration
  • Java Course
  • Help with Tasks
  • Pricing
  • Java Syntax
Community
  • Users
  • Articles
  • Forum
  • Chat
  • Success Stories
  • Activity
  • Affiliate Program
Company
  • About us
  • Contacts
  • Reviews
  • Press Room
  • CodeGym for EDU
  • FAQ
  • Support
CodeGym CodeGym is an online course for learning Java programming from scratch. This course is a perfect way to master Java for beginners. It contains 1200+ tasks with instant verification and an essential scope of Java fundamentals theory. To help you succeed in education, we’ve implemented a set of motivational features: quizzes, coding projects, content about efficient learning, and a Java developer’s career.
Follow us
Interface language
English
Deutsch Español हिन्दी Français Português Polski বাংলা 简体中文 मराठी தமிழ் Italiano Bahasa Indonesia 繁體中文 Nederlands 日本語 한국어 Bulgarian Danish Hungarian Basa Jawa Malay Norwegian Romanian Swedish Telugu Thai Українська Filipino Turkish Azərbaycan Русский Vietnamese
Programmers Are Made, Not Born © 2026 CodeGym
MastercardVisa
Programmers Are Made, Not Born © 2026 CodeGym