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  • Connecting to the database from a Java application

    SQL & Hibernate
    Level 7, Lesson 0
    Java DataBase Connectivity. JDBC Driver Manager. We connect to the MySQL server.
    Available
  • First JDBC Program

    SQL & Hibernate
    Level 7, Lesson 1
    Maven. First request to the database. Full listing of the program.
    Available
  • Getting data from ResultSet

    SQL & Hibernate
    Level 7, Lesson 2
    Managing the current line. Getting data from the current row. Getting different data about the ResultSet.
    Available
  • Data type negotiation in JDBC

    SQL & Hibernate
    Level 7, Lesson 3
    Data types. JDBC and NULL. What's wrong with data types in JDBC?
    Available
  • Working with time

    SQL & Hibernate
    Level 7, Lesson 4
    The current state of affairs over time. Modern problems require modern solutions. Getting a date. Setting the time zone in MySQL.
    Available
  • Executing queries

    SQL & Hibernate
    Level 7, Lesson 5
    Introduction to Statements. executeUpdate(). execute().
    Available
  • Dealing with bugs

    SQL & Hibernate
    Level 7, Lesson 6
    Tears and pain. SQL Exception. Error examples.
    Available
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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.
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Programmers Are Made, Not Born © 2026 CodeGym