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AVEVA™ Historian

_ReplicationTagExtendedProperty

  • Last UpdatedMar 10, 2025
  • 1 minute read

Contains one entry for each property for a replicated tag.

Column

Data Type

Description

ReplicationTag
ExtendedProperty
Key

int NOT NULL

A unique identifier for the replication tag extended property.

(FK) ReplicationServer
Key

int NOT NULL

The unique identifier for the replication server. ReplicationServerKey is a foreign key from the Replication Server table.

(FK) DestinationTag
Name

nvarchar (256) NOT NULL

The name of the destination tag. If the destination tag name is not specified, it is generated based on the naming convention for the replication tag and stored in the database.

(FK) PropertyNameKey

int NULL

A unique identifier for the extended property name. PropertyNameKey is a foreign key from the TagExtendedPropertyName table.

PropertyValue

sql_variant NOT NULL

The value of this replication tag extended property.

ChangeVersion

timestamp NOT NULL

Internal use only.

Status

tinyint NOT NULL

Automatically updated by the system if a change is made to the replication group:
0 = No change; 1 = Insertion;
2 = Modification; 3 = Deletion.

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