--- title: Record Tracking Business Link Satellite description: A Record Tracking Business Link Satellite records in which loads the rows of a Link or Business Link appeared in its source, in a Business Vault table. --- [Skip to content](https://knowledge.bigenius-x.com/record-tracking-business-link-satellite#main-content) [Contact us](https://knowledge.bigenius-x.com/kb-tickets/new?hsLang=en) [Go to Customer Portal](https://knowledge.bigenius-x.com/customer-portal?hsLang=en) [![TRI\_Logo\_biGENIUS\_2020\_RGB\_s](https://knowledge.bigenius-x.com/hs-fs/hubfs/Marketing/TRI_Logo_biGENIUS_2020_RGB_s.png?width=150&height=42&name=TRI_Logo_biGENIUS_2020_RGB_s.png)](https://www.bigenius-x.com/) Open main navigation Close main navigation - [Contact us](https://knowledge.bigenius-x.com/kb-tickets/new) - [Go to Customer Portal](https://knowledge.bigenius-x.com/customer-portal) How can we help you? - There are no suggestions because the search field is empty. 1. [biGENIUS-X Knowledge Base](https://knowledge.bigenius-x.com/?hsLang=en) 2. [Generators](https://knowledge.bigenius-x.com/generators?hsLang=en) 3. [Model Object Type](https://knowledge.bigenius-x.com/generators?hsLang=en#model-object-type) # Record Tracking Business Link Satellite **Applies to** Platform: Microsoft SQL Server · Snowflake · Snowflake dbt · Databricks · Databricks dbt · Fabric Lakehouse · Fabric Warehouse · Oracle Architecture: Data Vault A Record Tracking Business Link Satellite records in which loads the rows of a Link or Business Link appeared in its source, in a Business Vault table. Use it to track a set of relationships that a business rule selects, for example the loyalty cards that are in effect, and to see in which loads a relationship was missing. After each load, the result view shows one row per Link row and load with its `BG_Appearance` value. A Record Tracking Business Link Satellite works like a [Record Tracking Link Satellite](https://knowledge.bigenius-x.com/record-tracking-link-satellite?hsLang=en), not like a Business Link Satellite. It differs from the Raw Vault type in its sources, its layer, its relationship targets and the `BDV_` prefix of its objects. ### Sources and relationships A Record Tracking Business Link Satellite reads the result views of Raw Vault objects, in one or more dataflows: Hubs, all Link types, all satellite types, Current Views and History Views. It also reads [BusinessVault Composites](https://knowledge.bigenius-x.com/businessvault-composite?hsLang=en). It has exactly one relationship to a [Link](https://knowledge.bigenius-x.com/link?hsLang=en) or [Business Link](https://knowledge.bigenius-x.com/business-link?hsLang=en). Its foreign-key terms are the business keys of the Link's Hubs, and they must be mapped. [Vault Out](https://knowledge.bigenius-x.com/vault-out?hsLang=en) can read it. ### Create the model object - With the wizard: open the menu of a Raw Vault Hub, Link or satellite, or of a BusinessVault Composite. Choose **Automate** and then **Create Record Tracking Business Link Satellite**. Its steps are [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), [Map Foreign Key Terms](https://knowledge.bigenius-x.com/wizard-step-map-foreign-key-terms?hsLang=en) and [Add to View](https://knowledge.bigenius-x.com/wizard-step-add-to-view?hsLang=en). See [Create a Model Object with the wizard](https://knowledge.bigenius-x.com/create-a-model-object-with-the-wizard?hsLang=en). - Manually: [create a model object](https://knowledge.bigenius-x.com/create-a-model-object?hsLang=en) of type Record Tracking Business Link Satellite in the Business Vault layer, [add a relationship](https://knowledge.bigenius-x.com/add-a-relationship?hsLang=en) to the Link or Business Link, [create a dataflow set](https://knowledge.bigenius-x.com/create-a-data-flow-set?hsLang=en), [add the source model object](https://knowledge.bigenius-x.com/add-a-model-object-into-a-data-flow-set?hsLang=en) and [map the foreign-key terms](https://knowledge.bigenius-x.com/map-a-source-term-with-a-target-term?hsLang=en). You do not map `BG_Appearance`. The source view sets it to 1 for every Link row that the source delivers. The dataflow's filter decides which Link rows count as delivered. ### Loading behavior Every load inserts one row for each Link row that the source delivers, with the load timestamp as `BG_ValidFromTimestamp` and `BG_Appearance` 1. A row is valid until the next row of the same `Link_HK`. Delete Detection Method decides what happens to a Link row that the source does not deliver: - `FullSet` (default): the delta view compares the source rows with the rows of the latest load in the table, by `Link_HK`. A Link row of that load that is missing from the source gets a row with `BG_Appearance` 0. It gets such a row in every load until the source delivers it again. - `None`: there is no delta view. The loader inserts the delivered Link rows only, so a missing Link row gets no row. With Delete Detection Method `FullSet`, every load must deliver all Link rows of the source. A Link row missing from one load gets a row with `BG_Appearance` 0. Load partial or per-day extracts with Delete Detection Method `None`. ### Properties - [Delete Detection Method](https://knowledge.bigenius-x.com/delete-detection-method-model-object?hsLang=en): `FullSet` (default) or `None`, see Loading behavior. - [Implementation Type](https://knowledge.bigenius-x.com/implementation-type-model-object?hsLang=en): `Permanent` only. - [Foreign Key Mode](https://knowledge.bigenius-x.com/foreign-key-mode-model-object?hsLang=en): whether the table gets a foreign key to the Link table. With `Create Disabled`, the default, it is created and disabled. - [Load Caching](https://knowledge.bigenius-x.com/load-caching-model-object?hsLang=en): empty (default) or `Hashing`, which stores the hashing view in a table before the loader runs. - [Deduplication Method](https://knowledge.bigenius-x.com/deduplication-method-dataflow?hsLang=en) and [Sort Order within Partition](https://knowledge.bigenius-x.com/sort-order-within-partition-dataflow?hsLang=en), per dataflow. - [Use Embryo Loader](https://knowledge.bigenius-x.com/embryo-loader?hsLang=en), on the relationship: inserts the Link keys that the Link or Business Link does not hold yet. The project properties [Persist Validity](https://knowledge.bigenius-x.com/persist-validity-project?hsLang=en) and [Create Result Views](https://knowledge.bigenius-x.com/create-result-views-project?hsLang=en) also apply. ### Default Terms - [`Link_HK`](https://knowledge.bigenius-x.com/link_hk?hsLang=en): the key of the Link row, calculated from the foreign-key terms. With `BG_ValidFromTimestamp` it forms the primary key. - [`BG_Appearance`](https://knowledge.bigenius-x.com/bg_appearance?hsLang=en): 1 when the load delivered the Link row, 0 when it was missing. - [`BG_ValidFromTimestamp`](https://knowledge.bigenius-x.com/bg_validfromtimestamp?hsLang=en): the load timestamp of the row. - [`BG_ValidToTimestamp`](https://knowledge.bigenius-x.com/bg_validtotimestamp?hsLang=en): the start of the next row of the same Link row. - [`BG_LoadTimestamp`](https://knowledge.bigenius-x.com/bg_loadtimestamp?hsLang=en) and [`BG_SourceSystem`](https://knowledge.bigenius-x.com/bg_sourcesystem?hsLang=en): the load that inserted the row and its source system, empty unless you map it. - [`DrivingKeyLink_HK`](https://knowledge.bigenius-x.com/drivingkeylink_hk?hsLang=en): a Default Term of the type. On a Link or Business Link, the table has no such column. - [`BG_DataQuality_ID`](https://knowledge.bigenius-x.com/bg-dataquality-id?hsLang=en), [`BG_ErrorCount`](https://knowledge.bigenius-x.com/bg_errorcount?hsLang=en) and [`BG_ErrorDescription`](https://knowledge.bigenius-x.com/bg_errordescription?hsLang=en): hidden terms of the data quality objects. A Record Tracking Business Link Satellite has no `BG_RowHash` and no `BG_IncrementalFilter`. ### Generated objects These are the names on Microsoft SQL Server for the Record Tracking Business Link Satellite `load_rtblsat` with one dataflow: | Role | Generated name | Purpose | | --- | --- | --- | | Source | `BDV_RLSAT_load_rtblsat_Source` | Reads the sources | | Deduplication | `BDV_RLSAT_load_rtblsat_Deduplication` | Removes duplicate rows | | Hashing | `BDV_RLSAT_load_rtblsat_Hashing` | Calculates `Link_HK` | | HashingStorage | `BDV_RLSAT_load_rtblsat_HashingTable` | Stores the hashed rows | | HashingLoader | `BDV_RLSAT_load_rtblsat_HashingLoader` | Fills the hashing table | | EmbryoLoader | `BDV_RLSAT_load_rtblsat_EmbryoLoader` | Adds missing Link keys | | Delta | `BDV_RLSAT_load_rtblsat_Delta` | Adds rows for missing Link rows | | Loader | `BDV_RLSAT_load_rtblsat_Loader` | Inserts the rows | | Storage | `BDV_RLSAT_load_rtblsat` | Record Tracking Business Link Satellite table | | Result | `BDV_RLSAT_load_rtblsat_Result` | Query view with validity | - Loaders are stored procedures; the satellite table and the hashing table are tables; all other objects are views. - The delta view exists only with Delete Detection Method `FullSet`. - The deduplication view exists only with a Deduplication Method other than `None`. - The hashing table and hashing loader exist only with Load Caching `Hashing`. - The embryo loader exists only when Use Embryo Loader is true on the relationship. It runs before the loader. - The result view exists only with Create Result Views; without it, Persist Validity must be true. - With several dataflows, all objects except the table and the result view exist once per dataflow, with the dataflow name in their names. - The table has no unknown-member row. With the default settings, a load runs this chain: ``` Raw Vault _Result views -> _Source -> _Hashing -> _Delta _Delta -> _Loader -> BDV_RLSAT_load_rtblsat -> _Result _Result -> _Delta (rows of the latest load) ``` The source view reads the result views of its sources and sets `BG_Appearance` to 1. The delta view joins the hashed source rows with the rows of the latest load in the result view, by `Link_HK`. Delivered Link rows keep `BG_Appearance` 1, and Link rows found only in the result view get 0. The loader inserts all rows of the delta view with the load timestamp. With `None`, the loader reads `_Hashing` directly. ### Example The Record Tracking Business Link Satellite `load_rtblsat` on Microsoft SQL Server has a relationship to the Link `common_loyaltycard_customer` between loyalty cards and customers. It reads the Effectivity Link Satellite `load_loyaltycard_elsat` of the Raw Vault, joined with that Link. Its filter keeps the current versions whose `BG_Effectivity_End` lies after their `BG_LoadTimestamp`. Its Delete Detection Method is `FullSet`, and Persist Validity is false. The Raw Vault and then the Business Vault load four times: - Load 1 on 2026-10-28 08:00: cards 501 and 502 are in effect until 2026-12-31. - Load 2 on 2026-10-29 08:00: card 503 of customer 3 is new and in effect. - Load 3 on 2026-10-30 08:00: card 501 is renewed until 2027-12-31. Card 502 now ends on 2026-10-30, before this load, so the filter drops it. - Load 4 on 2026-10-31 08:00: no change. ### Check the result Query the result view with the foreign keys of the Link, here in the schemas `p3b` and `p3`: ``` SELECT l.FK_common_loyaltycard_LOYALTYCARD_LOYALTYCARD_ID AS CARD, s.BG_Appearance, s.BG_ValidFromTimestamp, s.BG_ValidToTimestamp FROM p3b.BDV_RLSAT_load_rtblsat_Result AS s JOIN p3.RDV_LNK_common_loyaltycard_customer_Result AS l ON l.Link_HK = s.Link_HK ORDER BY CARD, s.BG_ValidFromTimestamp; ``` This is the result after load 4, with the column names and timestamps shortened: ``` CARD BG_Appearance ValidFrom ValidTo 501 1 2026-10-28 08:00 2026-10-29 08:00 501 1 2026-10-29 08:00 2026-10-30 08:00 501 1 2026-10-30 08:00 2026-10-31 08:00 501 1 2026-10-31 08:00 9999-12-31 00:00 502 1 2026-10-28 08:00 2026-10-29 08:00 502 1 2026-10-29 08:00 2026-10-30 08:00 502 0 2026-10-30 08:00 2026-10-31 08:00 502 0 2026-10-31 08:00 9999-12-31 00:00 503 1 2026-10-29 08:00 2026-10-30 08:00 503 1 2026-10-30 08:00 2026-10-31 08:00 503 1 2026-10-31 08:00 9999-12-31 00:00 ``` - Every load inserted a row for each delivered card, also when nothing changed. - Card 502 was missing in loads 3 and 4, and each of these loads inserted a row with `BG_Appearance` 0. ### Platform differences - Persist Validity is true by default on Snowflake, Snowflake dbt, Databricks, Databricks dbt, Fabric Lakehouse and Fabric Warehouse, and false on Microsoft SQL Server and Oracle. With true, the table stores `BG_ValidToTimestamp`. - The data type of `BG_Appearance` differs per platform, see [BG\_Appearance](https://knowledge.bigenius-x.com/bg_appearance?hsLang=en). - Snowflake: names are in capitals, and the loader is a stored procedure. The load control task `LC_BDV_RLSAT__TASK` calls it. The dataflow properties [Use Stream](https://knowledge.bigenius-x.com/use-stream-model-object?hsLang=en) and [Warehouse Placeholder Variable Name](https://knowledge.bigenius-x.com/warehouse-placeholder-variable-name-dataflow?hsLang=en) apply. - Databricks and Fabric Lakehouse: table and view names are in lowercase, and the loader is the notebook `BDV_RLSAT__Loader`. The properties [File Format](https://knowledge.bigenius-x.com/file-format-model-object?hsLang=en), [Optimization Method](https://knowledge.bigenius-x.com/optimization-method-model-object?hsLang=en), [Optimization Method Columns](https://knowledge.bigenius-x.com/optimization-method-columns-model-object?hsLang=en) and [Use Sequential Dataflow Execution](https://knowledge.bigenius-x.com/use-sequential-dataflow-execution-model-object?hsLang=en) apply. Fabric Lakehouse allows only Foreign Key Mode `None`. - Databricks dbt and Snowflake dbt: the satellite becomes the dbt models `bdv_rlsat__source` and `bdv_rlsat_`. The model `bdv_rlsat__result` exists only when Create Result Views is true; the default on dbt is false. Load Caching and Use Embryo Loader are not available. - Fabric Warehouse: the same objects as on Microsoft SQL Server, deployed by notebooks. - Oracle: names are in capitals, and the loader is a PL/SQL package. [Partition Clause](https://knowledge.bigenius-x.com/partition-clause-and-table-storage-model-object?hsLang=en) adds its text to the `CREATE TABLE` statement. Table Compression, the tablespaces and the statistics properties also apply. - Foreign Key Mode `Create Enforced` exists only on Microsoft SQL Server and Oracle. ### Limitations - A Record Tracking Business Link Satellite has exactly one relationship, to a Link or Business Link. - A term other than the Default Terms, business keys and foreign keys raises a validation error. Business keys raise a validation warning. - Custom Singleton Values, Version Valid From Term and [Increment Management Type](https://knowledge.bigenius-x.com/increment-management-type-model-object?hsLang=en) are not available. ### Release differences - Generator 2.0: Delete Detection Method is available. - Generator 2.2: Use Embryo Loader and Persist Validity are available. ### Related articles - Previous: [Business Link](https://knowledge.bigenius-x.com/business-link?hsLang=en), [Link](https://knowledge.bigenius-x.com/link?hsLang=en) - Reference: [BG\_Appearance](https://knowledge.bigenius-x.com/bg_appearance?hsLang=en), [Link\_HK](https://knowledge.bigenius-x.com/link_hk?hsLang=en), [Delete Detection Method (Model Object)](https://knowledge.bigenius-x.com/delete-detection-method-model-object?hsLang=en), [Persist Validity (Project)](https://knowledge.bigenius-x.com/persist-validity-project?hsLang=en), [Create Result Views (Project)](https://knowledge.bigenius-x.com/create-result-views-project?hsLang=en), [Foreign Key Mode (Model Object)](https://knowledge.bigenius-x.com/foreign-key-mode-model-object?hsLang=en), [Load Caching (Model Object)](https://knowledge.bigenius-x.com/load-caching-model-object?hsLang=en) - See also: [Record Tracking Link Satellite](https://knowledge.bigenius-x.com/record-tracking-link-satellite?hsLang=en), [Record Tracking Satellite](https://knowledge.bigenius-x.com/record-tracking-satellite?hsLang=en), [Embryo Loader](https://knowledge.bigenius-x.com/embryo-loader?hsLang=en), [Create a Model Object with the wizard](https://knowledge.bigenius-x.com/create-a-model-object-with-the-wizard?hsLang=en) - [Getting started](https://knowledge.bigenius-x.com/getting-started?hsLang=en#main-content) - [Guidelines](https://knowledge.bigenius-x.com/getting-started?hsLang=en#guidelines) - [Start working](https://knowledge.bigenius-x.com/getting-started?hsLang=en#start-working) - [Account](https://knowledge.bigenius-x.com/getting-started?hsLang=en#account) - [General overview](https://knowledge.bigenius-x.com/general-overview?hsLang=en) - [Artificial Intelligence](https://knowledge.bigenius-x.com/artificial-intelligence?hsLang=en) - [Application Modules](https://knowledge.bigenius-x.com/application-modules?hsLang=en#main-content) - 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