How to discuss the different types of relationships?
Only major changes in either of the table’s structures could cause you to change the relationship.) The discussion for each type of relationship begins with a generic example of the relationship. Learning how to visualize a relationship generically enables you to understand the principle behind the relationship itself.
Can a table change the type of relationship?
The tables participate in only one type of relationship at any given time. (You’ll rarely need to change the type of relationship between a pair of tables. Only major changes in either of the table’s structures could cause you to change the relationship.)
How to identify a relationship in a database?
To be able to identify these relationships, you need to examine the data and have an understanding of what business rules apply to the data and tables. If you’re not sure, it can be helpful to meet with someone who does have a thorough knowledge of the data.
What do you mean by Entity Relationship Diagram?
Entity Relationship Diagram, also known as ERD, ER Diagram or ER model, is a type of structural diagram for use in database design. An ERD contains different symbols and connectors that visualize two important information: The major entities within the system scope, and the inter-relationships among these entities.
What are the attributes of a content type?
All content types have attributes, or properties. Each property has a name and datatype. The datatype indicates what kind of information can be stored in that property—here is a helpful guide to datatypes commonly used in content management systems.
What makes a Content Type A reusable container?
A content type is a reusable container for managing content by common structure and purpose. Content types support the underlying structure that is needed to make content reusable. All content types have attributes, or properties. Each property has a name and datatype.