---
title: Create a Non-Historized Link Satellite
description: "A Model Object of type Non-Historized Link Satellite can be created in the Silver Layer.\nWhat is a Non-Historized Link Satellite\nIn a Data Vault model, a Non-Historized Link Satellite, also known as a No-History Link or Transactional Link, allows for avoiding the check of data existence so it is more performant.\nIt can be used when source data is only loaded once or is never updated as transactional data."
---

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# Create a Non-Historized Link Satellite

A **Model Object** of type ***Non-Historized Link Satellite*** can be created in the **Silver** Layer.

### What is a Non-Historized Link Satellite

In a Data Vault model, a **Non-Historized Link Satellite,** also known as a **No-History Link** or **Transactional Link,** allows for avoiding the check of data existence so it is more performant.

It can be used when **source data is only loaded once or is never updated** as transactional data.

### Creation steps

There are two possibilities to create a ***Non-Historized*** ***Link Satellite* Model Object**:

- [Create a Model Object with the Wizard](https://knowledge.bigenius-x.com/create-a-model-object-with-the-wizard?hsLang=en): 
    - **Recommended** possibility
    - Use the Wizard **Create a Non-Historized Link Satellite from a Stage or a Raw Vault Composite**that contains the following steps: 
          - [Create Model Object](https://knowledge.bigenius-x.com/wizard-step-create-model-object?hsLang=en)
          - [Create Dataflow](https://knowledge.bigenius-x.com/wizard-step-create-dataflow?hsLang=en)
          - [Create Relations](https://knowledge.bigenius-x.com/wizard-step-create-relations?hsLang=en): number = {1}
          - [Map Foreign Key Terms](https://knowledge.bigenius-x.com/wizard-step-map-foreign-key-terms?hsLang=en)
          - [Map selected Terms](https://knowledge.bigenius-x.com/wizard-step-map-selected-terms?hsLang=en): exclude the Business Key(s) = {true}, exclude the Foreign Key(s) = {true}
          - [Add to View](https://knowledge.bigenius-x.com/wizard-step-add-to-view?hsLang=en)
- Create a Model Object manually: 
    - **Not recommended** possibility
    - [Create a Model Object](https://knowledge.bigenius-x.com/create-a-model-object?hsLang=en) of type Non-Historized Link Satellite in the Silver Layer
    - [Create a Dataflow Set ](https://knowledge.bigenius-x.com/create-a-data-flow-set?hsLang=en)
    - [Add a Model Object to the Dataflow Set](https://knowledge.bigenius-x.com/add-a-model-object-into-a-data-flow-set?hsLang=en): Add the Stage Model Object
    - [Auto-map the Source Terms](https://knowledge.bigenius-x.com/map-a-source-term-with-a-target-term?hsLang=en): Select the auto-map mode and auto-map all the **Source Terms except the ones defined as Business Keys and the Default Source Terms** in the Source Model Object
    - [Add a Relationship](https://knowledge.bigenius-x.com/add-a-relationship?hsLang=en) to the corresponding Link
    - [Map the Foreign Key Terms](https://knowledge.bigenius-x.com/map-a-source-term-with-a-target-term?hsLang=en): Select the target mode and manually map the Foreign Key Terms to the corresponding Source Terms (with or without a complex expression)

Properties

A ***Non-Historized*** ***Link Satellite* Model Object** can be configured through the following **Properties**: 

- [Foreign Key Mode](https://knowledge.bigenius-x.com/foreign-key-mode-model-object?hsLang=en)
- [Implementation Type](https://knowledge.bigenius-x.com/implementation-type-model-object?hsLang=en)
- [Deduplication Method](https://knowledge.bigenius-x.com/deduplication-method-model-object?hsLang=en) or [Optimization Method](https://knowledge.bigenius-x.com/optimization-method-model-object?hsLang=en) (Only for Spark Generator)
  
  <https://knowledge.bigenius-x.com/deduplication-partition-model-object?hsLang=en>
- [Deduplication Partition](https://knowledge.bigenius-x.com/deduplication-partition-model-object?hsLang=en) or [Optimization Method Columns](https://knowledge.bigenius-x.com/optimization-method-columns-model-object?hsLang=en) (Only for Spark Generator)
- [File format](https://knowledge.bigenius-x.com/file-format-model-object?hsLang=en) (Only for Spark Generator)
- [Use Sequential Dataflow Execution](https://knowledge.bigenius-x.com/use-sequential-dataflow-execution-model-object?hsLang=en) (Only for Spark Generator)

### Default Terms

A ***Non-Historized*** ***Link Satellite* Model Object** will include the following **Default Terms**:  

- [BG\_LoadTimestamp](https://knowledge.bigenius-x.com/bg_loadtimestamp?hsLang=en)
- [Link\_HK](https://knowledge.bigenius-x.com/link_hk?hsLang=en)
- [BG\_SourceSystem](https://knowledge.bigenius-x.com/bg_sourcesystem?hsLang=en)
- [BG\_IncrementalFilter](https://knowledge.bigenius-x.com/bg_incrementalfilter?hsLang=en)

 

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