18. Relationships in Object-Relational Mapping

• 18.1. Types of Relationships
  • 18.1.1. One-to-One
  • 18.1.2. One-to-Many and Many-to-One
  • 18.1.3. Many-to-Many
  • 18.1.4. Check Your Understanding
• 18.2. Creating a Many-to-One Relationship
  • 18.2.1. Creating an AbstractEntity - Video
  • 18.2.2. Creating an AbstractEntity - Text
  • 18.2.3. Setting Up the Relationship - Video
  • 18.2.4. Setting Up the Relationship - Text
    • 18.2.4.1. Replacing EventType With EventCategory
    • 18.2.4.2. Testing and Database Updates
  • 18.2.5. Check Your Understanding
• 18.3. Creating a One-to-Many Relationship
  • 18.3.1. Setting Up the Relationship - Video
  • 18.3.2. Setting Up the Relationship - Text
    • 18.3.2.1. Model Configuration
    • 18.3.2.2. Controller Updates
    • 18.3.2.3. Linking to Filtered Views
  • 18.3.3. Check Your Understanding
• 18.4. Creating a One-to-One Relationship
  • 18.4.1. Creating a One-to-One Relationship - Video
  • 18.4.2. Creating a One-to-One Relationship - Text
    • 18.4.2.1. The EventDetails Class
    • 18.4.2.2. Relating EventDetails to Event
    • 18.4.2.3. Template Updates
    • 18.4.2.4. Cascading ORM Operations
    • 18.4.2.5. The Inverse Relationship
  • 18.4.3. Check Your Understanding
• 18.5. Creating a Many-to-Many Relationship
  • 18.5.1. Persistent Tags - Video
  • 18.5.2. Persistent Tags - Text
  • 18.5.3. Creating a Many-to-Many Relationship - Video
  • 18.5.4. Creating a Many-to-Many Relationship - Text
  • 18.5.5. Many-to-Many Forms and Data Transfer Objects - Video
  • 18.5.6. Many-to-Many Forms and Data Transfer Objects - Text
    • 18.5.6.1. Data Transfer Objects (DTO)
    • 18.5.6.2. Connecting Two Objects
    • 18.5.6.3. Join Tables
  • 18.5.7. Check Your Understanding
• 18.6. Exercises: The Early Bird Gets the ORM!