DataModel is one special kind of models (the other kinds are ThingModels and AppModels). Therefore it has all the properties of Models (Lifecycle of models, Model Attributes, Unique and Constraints).
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| System Attribute Name | Description |
|---|---|
| Value | The value of the attribute is stored in "Value". This is specified by user at time of create query |
| Known | Applicable to ThingFacet/AppFacet - this is the value that is set within the Action. Known can not be set using Create / Update TQL Query by the user. |
| Version | Version number of the attribute. This number is automatically incremented each time the value changes. |
| Timestamp | Unix epoch time at the time (in millisecond) of the attribute creation. For example: Timestamp value1457663102004 is same as Fri, 11 Mar 2016 02:25:02 GMT |
| Datetime | Formatted data time value of the attribute creation. For example:2016-03-10 18:25:02.004 |
| QName | Fully qualified name of the attribute. <NamSpace>.<Domain>.<ModelName>.<AttributeName>. For example SimpleModel.MyModels.VendorInfo.vendorName given that VendorInfo is defined within Namespace - SimpleModel, with Domain as MyModels and DataModel Name as VendorInfo |
| FName | Given name of the attribute name. |
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