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WebSphere Commerce database schema
The WebSphere Commerce database model was designed for data integrity and optimal performance. WebSphere Commerce provides several hundred tables that store WebSphere Commerce instance data. To maintain data integrity, and to ease maintenance referential integrity, constraints are widely used in the database model. Indexes are used carefully on tables to avoid over-indexing and to provide a good balance between data retrieval and data manipulation activities (insert and update). The business rules are implemented at the application level rather than by using database trigger. Triggers, however, are used to facilitate data staging and optimistic locking. A limited number of SQL-based database stored procedures are used for data intensive activities.
Data models
Any given database data model displays the relationship among database tables in the schema.
Catalog
The catalog data model shows the relationship between database tables related to the Catalog subsystem.
Catalog
The catalog data model shows the relationship between database tables that contain information about a catalog.

Reference
- WebSphere Commerce API reference
  WebSphere Commerce exposes two main programming APIs. The first and newest API is a REST interface, and most new classes are exposed here. The legacy Java API also contains new classes not suitable for REST, and can be browsed in Javadoc format.
- Cross-reference of data beans, EJB beans, and tables
  Data beans are grouped into several component groups.
- Cross-reference of commands, tasks, and tables
  URL commands, controller commands, task commands, view commands and tables are related to each other.
- Cross reference: Commands to beans to database tables
  Use this information when you are customizing a command and you want to know which tables are affected. You should also use this topic if you are modifying a table and want to know which commands and beans are affected.
- API changes between WebSphere Commerce Version 7.0.0.9 and WebSphere Commerce Version 8.0.0.0
  If you are migrating version 7.0 of WebSphere Commerce, review the API changes between releases.
- WebSphere Commerce database schema
  The WebSphere Commerce database model was designed for data integrity and optimal performance. WebSphere Commerce provides several hundred tables that store WebSphere Commerce instance data. To maintain data integrity, and to ease maintenance referential integrity, constraints are widely used in the database model. Indexes are used carefully on tables to avoid over-indexing and to provide a good balance between data retrieval and data manipulation activities (insert and update). The business rules are implemented at the application level rather than by using database trigger. Triggers, however, are used to facilitate data staging and optimistic locking. A limited number of SQL-based database stored procedures are used for data intensive activities.
  - Column data type considerations
    Several column data types are available for you to use when you are creating new database table or columns.
  - Schema changes from Version 8 to Version 8 Mod Pack 4
    Database tables and columns within the WebSphere Commerce Version 8 Mod Pack 4 database schema can differ from the tables and columns in the database schema for WebSphere Commerce Version 8.
  - Schema changes from Version 8 to Version 8 Mod Pack 3
    Database tables and columns within the WebSphere Commerce Version 8 Mod Pack 3 database schema can differ from the tables and columns in the database schema for WebSphere Commerce Version 8.
  - Schema changes from Version 8.0.1.0 to 8.0.2.0
    Database tables and columns within the WebSphere Commerce Version 8.0.1.0 database schema can differ from the tables and columns in the database schema for WebSphere Commerce Version 8.0.2.0.
  - Schema changes from Version 8 to Version 8 Mod Pack 1
    Database tables and columns within the WebSphere Commerce Version 8 Mod Pack 1 database schema can differ from the tables and columns in the database schema for WebSphere Commerce Version 8.
  - Schema changes from Version 7 to Version 8
    Database tables and columns within the WebSphere Commerce Version 8.0 database schema can differ from the tables and columns in the database schema for WebSphere Commerce Version 7.
  - Deprecated tables and columns
    If a database table or column is marked as deprecated, then the table or column is outdated by newer constructs. Deprecated sections are supported for reasons of compatibility with an earlier version only. These tables or columns are obsolete or can become obsolete in future versions of WebSphere Commerce.
  - Data models
    Any given database data model displays the relationship among database tables in the schema.
    - Legend for data models
      Database tables within the WebSphere Commerce database schema are organized into functional groups, called data models.
    - Catalog
      The catalog data model shows the relationship between database tables related to the Catalog subsystem.
      - Attachment
        The Attachment shows the relationship between database tables that contain information about attachment.
      - Attribute
        The attribute data model shows the relationship between database tables that contain information about product attributes. Attributes can be one of several types, identified by the ATTRTYPE column.
      - Attribute dictionary
        The attribute dictionary data model shows the relationship between database tables that contain information about attribute dictionaries.
      - Catalog
        The catalog data model shows the relationship between database tables that contain information about a catalog.
      - Catalog entry
        The catalog entry data model shows the relationship between database tables that contain information about a catalog entry.
      - Catalog group
        This catalog group data model shows the relationship between database tables that contain information about catalog groups.
      - Rule-based sales category and rule
        This data model shows the relationship between database tables that contain information about rule-based sales categories and the rules for those categories. Rule-based sales categories are a type of sales category that uses a search-based, user-defined rule with WebSphere Commerce search to find and automatically assign catalog entries to the category.
      - Catalog filter
        The catalog filter data model shows the relationship between database tables that contain information about catalog filtering.
      - Merchandising association
        The merchandising association data model shows the relationship between database tables that contain information about merchandising associations.
      - Package
        The package data model shows the relationship between database tables that contain information about packages. A package is a group of items that are preselected for a fixed price. Packages must be bought intact, and cannot be broken down by the customer. If a package contains products with defining attributes, it must be associated to those attributes and their corresponding values.
      - Dynamic kit
        This dynamic kit data model shows the relationship between database tables that contain information about configurable products. These configurable products are Dynamic Kit catalog entries.
      - Dynamic kit with Sterling Configurator integration
        This dynamic kit data model shows the relationship between database tables that contain information about configurable products. These configurable products are Dynamic Kit catalog entries.
      - Product set
        This product set data model shows the relationship between database tables that contain information about product sets.
    - Marketing
      The marketing data model shows the relationship between database tables related to the Marketing subsystem.
    - Promotions
      The promotions data models show the relationship between database tables that are related to the promotions.
    - Member
      The member data model shows the relationship between database tables related to the Member subsystem.
    - Order Management
      The order management data model shows the relationship between database tables related to the Order Management subsystem.
    - Payment
      The payment data models show the database tables that are related to the payments subsystem.
    - Store
      The store data models show the relationship between database tables that are related to stores.
    - System
      The system data models show the relationship of database tables used for WebSphere Commerce system functions.
    - Trading
      The trading data models show the relationship of database tables in the Trading subsystem.
    - Content Management
      The Content Management shows the relationship between database tables that contain information about content management.
    - Content management system integration
      The content management system integration data model shows the relationship between database tables used by the solution.
    - Content versioning
      The content versioning data model shows the relationship between database tables that contain information about the content versioning.
    - Folder data model
      The folder data model shows the relationship between the database tables that include information about folder and folder items.
    - IBM Gift Center
      The IBM Gift Center data model shows the relationship between database tables that contain information about IBM Gift Center.
    - WebSphere Commerce search engine optimization
      The WebSphere Commerce search engine optimization (SEO) shows the relationship between database tables that contain information about WebSphere Commerce search engine optimization (SEO).
    - WebSphere Commerce search data model
      The WebSphere Commerce search data model shows the relationship between database tables that are related to WebSphere Commerce search.
- Payments subsystem
  In WebSphere Commerce, payment processing uses the Payments subsystem.
- Dynamic caching
  In general, caching improves response time and reduces system load. Caching techniques are used to improve the performance of World Wide Web Internet applications. Most techniques cache static content (content that rarely changes) such as graphic and text files. However, many websites serve dynamic content, containing personalized information or data that changes more frequently. Caching dynamic content requires more sophisticated caching techniques, such as those provided by the WebSphere Application Server dynamic cache, a built-in service for caching and serving dynamic content.
- Data Load utility configuration file schema
  The Data Load utility contains several configuration files. You can use the configuration file schema to understand and customize the data load configuration files.
- WebSphere Commerce web services
  WebSphere Commerce provides many web services.
- Utilities
  Utilities help you to accomplish administrative or configuration tasks, for example, loading data, publishing a store.
- Shopping flow URLs
  WebSphere Commerce shopping flow URLs are organized by subsystem.
- Ant targets
  A WebSphere Commerce instance can be created from the command line. The command-line utility uses Apache Ant to create the objects required. The targets are divided into several high-level groups that correspond to the environment that is to be configured.
- Glossary

Catalog data model

The catalog data model shows the relationship between database tables that contain information about a catalog.

Click any of the database table boxes to see more information about that table.