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Oracle Fusion Item Class Design Worksheet

Item classes in Oracle Fusion Product Information Management decide which attributes an item carries, how it behaves and how easy it is to maintain. This worksheet lets you design the hierarchy on paper first so changes after go live stay small.

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Item class	Parent class	User item type	Item number format	Attribute group	Attributes in group	Required attributes	Item template	Catalog category	Required share
									33.3%
									55.6%
									37.5%
									57.1%
									40%

Total attributes

Total required attributes

Item classes

Overall required share

43.9%

A very high share means item creation will be slow. A very low share means weak data quality.

Template names and class names in the sample rows are placeholders for a discrete manufacturer. Replace them with your own design, and verify the available item types and templates in your pod.

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How to use the worksheet

List one row per item class and attribute group. Fill in the parent class, the item type, the numbering approach, the template that sets defaults and the catalog category that will classify items. The sheet calculates the required attribute share per row and overall. Review it with engineering, purchasing and finance together, because each group cares about different attributes and nobody likes the default answer when it is set by the loudest voice.

Principles for good item class design

Keep the hierarchy shallow. Child classes inherit attributes from parents, so put shared attributes high and specialized ones low. Split classes only when attributes or behavior truly differ, not to mirror a legacy numbering scheme. Separate item behavior, which templates control, from classification, which catalogs and categories control. Mixing them is the commonest source of rework.

Shared attributes live in the parent class
One purpose per attribute group
Templates set operational defaults
Catalog categories carry classification and reporting

Reading the required share

If every attribute is required, item creation becomes a bottleneck and users enter filler data. If almost none are, you lose the structure you built the classes for. A rough range of one quarter to one half required per group is a reasonable starting point for design discussion, not a rule. Use the share to find classes that deserve a second look.

Common mistakes

Do not design classes around the legacy system's categories without questioning them. Do not create a class for every product family before you know which attributes differ. Do not forget the migration impact: each class needs a mapping in your FBDI item loads, so a redesign after the first mock load costs real time. Freeze the design before data load rehearsal begins.

Frequently Asked Questions

What is an item class in Oracle Fusion?

An item class is a category of items in Product Information Management that defines which attribute groups and attributes apply, and can drive item creation behavior. Classes sit in a hierarchy, and children inherit from their parents.

How is an item class different from a catalog category?

Item classes control the structure and attributes of the item record. Catalog categories classify items for purposes such as purchasing, planning or reporting. An item has one class but can belong to categories in several catalogs.

How many item classes should we have?

As few as satisfy your attribute differences. Many successful designs have a modest number of classes with shared parents, rather than one class per product family. Add classes when attributes or behavior genuinely differ.

Can we change the item class design after go live?

Some changes are possible, but structural changes touch existing items, integrations and loads. Treat the design as a controlled decision and test any later change in a non-production pod with real data volumes first.

If you are cleaning a legacy item master before migration, Netray can help classify and de-duplicate part descriptions with private AI on your own infrastructure. This worksheet stands on its own.

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