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Storage Keywords

This reference describes the keywords that apply to the storage section of a class definition.

Note:

This reference does not formally introduce the syntax of storage definitions. For an introduction to storage definitions, see Storage. Also see Storage Definitions and Storage Classes.

  • DataLocation – Specifies where data is stored for this class.
  • DefaultData – Specifies the default data storage definition.
  • Final – Specifies that the storage definition cannot be modified by subclasses.
  • IdFunction – Specifies the system function to be used to assign new ID values for a persistent class using default storage.
  • IdLocation – Specifies location of the ID counter.
  • IndexLocation – Specifies the default storage location for indexes.
  • SqlRowIdName – Specifies the name used for the row ID within SQL.
  • SqlRowIdProperty – Specifies the SQL RowId property.
  • SqlTableNumber – Specifies the internal SQL table number.
  • State – Specifies the data definition used for a serial object.
  • StreamLocation – Specifies the default storage location for stream properties.
  • Type – Storage class used to provide persistence.

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