type hierarchy

Mapping a product in a product type hierarchy into a category establishes the semantic notion of product of type x.

This product type hierarchy is defined in a metadata structure and has an associated set of database tables and business services.

The existing product tables representing the product type hierarchy provided out the box can be extended with additional elements.

A product type hierarchy is a strict tree, whereas a category hierarchy can be a directed acyclic graph.

The model uses a type hierarchy to leverage the similarities between items in an order, while still allowing for differences.

If the product type hierarchy is relatively static, including the elements of the type, then consider hardening the type.

If your product type hierarchy is relatively flat (only three or four levels deep), then there is less of a concern with database access.

The sql_variant data type belongs to the top of the data type hierarchy list for conversion.

Figure 4 expands on the example of a product type hierarchy with music product types and introduces specs in the model.

Read the second part of this series, " Discover Python, Part 2: Explore the Python type hierarchy -- Objects and containers. "

The product type hierarchy is intended to be relatively static.

If I'm writing client code and need to use an object, that object's class exists in some type hierarchy.

Furthermore, with the specification LogisticsSpecs, Figure 4 shows how specs are cascaded down along the product type hierarchy.

Interface XMLEvent represents the root of this type hierarchy; all event types must extend this interface.

Introduced the Python type hierarchy, which includes container objects.

We'll also add another attribute to Person, a role field that points to an instance from a type hierarchy.

The event framework might represent a dot-delimited message type hierarchy, such as the class hierarchy shown in Figure 4.

As databases have become more powerful, this type hierarchy has grown more complex.

Product type hierarchy: A category in this hierarchy represents a product type.

After you have defined the product type hierarchy, you can then define the data you wish to capture for each type in the hierarchy.

For information about type hierarchy, see Type Casting Rules in XQuery.

We'll discuss the difference between reference and value types in the section called "The Scala Type Hierarchy" .

The entire node type hierarchy can be found in section 6. 7. 22. 1 of the JSR-170 specifications (see Resources for a link).

Does not walk the type hierarchy.

Is used by the remoting infrastructure to limit the scope of the exposed type hierarchy.

Python 3 now supports a type hierarchy of ABCs that represent numeric classes.

The following diagram shows the type hierarchy.

We'll discuss Nothing in the section called "The Scala Type Hierarchy" in Chapter 7, The Scala Object System, but its name is suggestive!

You can create products once you have defined the product type hierarchy and elements for each product type.

Although this is desirable in some situations, it will also reduce your ability to centrally manage your content type hierarchy.

Press Ctrl T again, and the Quick Type Hierarchy displays the supertypes in the list (see Figure 8).

This is the ultimate base class of all classes in the. NET Framework; it is the root of the type hierarchy.

For sql_variant comparisons, the SQL Server data type hierarchy order is grouped into data type families.

Do you have many levels in the product type hierarchy?

There is only a single product type hierarchy, whereas there can be many category hierarchies

Discusses the Python type hierarchy and provides a discussion of the Python

Exploring the Python type hierarchy, Introducing Strings

It should not be confused with the product type hierarchy. Here are some points to differentiate the two