--- title: Store Composite description: A Store Composite prepares data in the Store layer with joins, filters, expressions and aggregations on Stages or other Store Composites. --- [Skip to content](https://knowledge.bigenius-x.com/create-a-store-composite#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) # Store Composite **Applies to** Platform: Microsoft SQL Server · Snowflake · Databricks · Fabric Lakehouse · Fabric Warehouse · Oracle Architecture: Data Store A Store Composite prepares data in the Store layer with joins, filters, expressions and aggregations on Stages or other Store Composites. Use it for an intermediate result that a Store Entity or another Store Composite reads. By default it is a view; with Implementation Type `Cached` it is a table that each load empties and refills. ### Sources and relationships A Store Composite reads [Stages](https://knowledge.bigenius-x.com/create-a-stage?hsLang=en) and other Store Composites in exactly one dataflow. It has no relationships. A [Store Entity](https://knowledge.bigenius-x.com/create-a-store-entity?hsLang=en) or another Store Composite reads its result view. ### Create a Store Composite - With the wizard: open the menu of a Stage or Store Composite, choose **Automate** and then **Create Store Composite**. 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), [Map Selected Terms](https://knowledge.bigenius-x.com/wizard-step-map-selected-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 Store Composite in the Data Store column, [create a dataflow set](https://knowledge.bigenius-x.com/create-a-data-flow-set?hsLang=en), [add the source model objects](https://knowledge.bigenius-x.com/add-a-model-object-into-a-data-flow-set?hsLang=en) and [map the terms](https://knowledge.bigenius-x.com/map-a-source-term-with-a-target-term?hsLang=en). Then add joins, a where clause or expressions to the dataflow sets as the composite needs. ### Properties - [Implementation Type](https://knowledge.bigenius-x.com/implementation-type-model-object?hsLang=en): `Virtual` (default) creates views only, so every query reads the current Stage data. `Cached` adds a table that the loader empties and refills on every load. - [Deduplication Method](https://knowledge.bigenius-x.com/deduplication-method-model-object?hsLang=en): `None` (default), `Distinct` or `Partition`, with [Sort Order within Partition](https://knowledge.bigenius-x.com/deduplication-partition-model-object?hsLang=en). A method other than `None` adds a deduplication view. ### Default Terms - [`BG_LoadTimestamp`](https://knowledge.bigenius-x.com/bg_loadtimestamp?hsLang=en): with `Cached`, the loader writes the timestamp of the load. With `Virtual`, the term is NULL unless you map it. - [`BG_SourceSystem`](https://knowledge.bigenius-x.com/bg_sourcesystem?hsLang=en): the source system of the row; empty unless you map it. ### Generated objects These are the names on Microsoft SQL Server for a Store Composite `large_branch`: | Role | Generated name | Purpose | | --- | --- | --- | | Source | `DS_SC_large_branch_Source` | Joins, filters and maps the sources | | Deduplication | `DS_SC_large_branch_Deduplication` | Removes duplicate rows | | Loader | `DS_SC_large_branch_Loader` | Empties and refills the table | | Storage | `DS_SC_large_branch` | Composite table | | Result | `DS_SC_large_branch_Result` | View read by the next model object | - The loader is a stored procedure; `DS_SC_large_branch` is a table; all other objects are views. - The deduplication view exists only with a Deduplication Method other than `None`. - The loader and the table exist only with `Cached`. The dependencies are: ``` Virtual: sources -> _Source -> _Deduplication -> _Result Cached: sources -> _Source -> _Deduplication -> _Loader _Loader -> DS_SC_large_branch -> _Result ``` ### Example The Store Composite `large_branch` on Microsoft SQL Server keeps only the large branches of the Stage `branch`. It has the default Implementation Type `Virtual` and maps the business terms of the Stage; `BG_LoadTimestamp` is not mapped. Its dataflow set has this where clause, in which `s1` is the alias of the Stage: ``` s1.MARKET_SIZE = 'large' ``` The generated source view ends with: ``` FROM [].[stg].[STG_ST_branch_Result] AS [s1] WHERE [s1].[MARKET_SIZE] = 'large' ``` `` is the Stage database you set before deployment, and `stg` is the Stage schema of the example. The Stage `branch` holds three branches after load 1 and two after load 2: - Load 1: 1 Basel `large`, 2 Bern `small`, 3 Zurich `large`. - Load 2: Zurich is deleted, and Bern changes to `large`. ### Check the result Query the result view, here in the schema `ds`: ``` SELECT BRANCH_ID, BRANCH_NAME, MARKET_SIZE FROM ds.DS_SC_large_branch_Result ORDER BY BRANCH_ID; ``` After load 1: ``` BRANCH_ID BRANCH_NAME MARKET_SIZE 1 Basel large 3 Zurich large ``` After load 2 of the Stage; a `Virtual` Store Composite has no loader: ``` BRANCH_ID BRANCH_NAME MARKET_SIZE 1 Basel large 2 Bern large ``` - Bern appears and Zurich disappears as soon as the Stage is reloaded, because the views read the result view of the Stage. - With `Cached`, the result changes only after the loader of the Store Composite has run. ### Platform differences - Snowflake: names are in capitals, and the table of a `Cached` Store Composite is a transient table. The load control task `DS_SC__TASK` calls its loader. The dataflow properties [Use Stream](https://knowledge.bigenius-x.com/use-stream-model-object?hsLang=en) and Warehouse Placeholder Variable Name apply. - Databricks and Fabric Lakehouse: the loader is the notebook `DS_SC__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) and [Optimization Method Columns](https://knowledge.bigenius-x.com/optimization-method-columns-model-object?hsLang=en) apply. - Fabric Warehouse: the same objects as on Microsoft SQL Server. - Oracle: names are in capitals, and the loader is a PL/SQL package. Physical properties such as Partition Clause, Table Compression and tablespaces apply. ### Limitations - A Store Composite has exactly one dataflow and no relationships. - An aggregation must be defined in all dataflow sets or in none. - A Store Composite keeps no history; it has no validity terms. ### Related articles - Previous: [Stage](https://knowledge.bigenius-x.com/create-a-stage?hsLang=en) - Next: [Store Entity](https://knowledge.bigenius-x.com/create-a-store-entity?hsLang=en) - Reference: [Implementation Type (Model Object)](https://knowledge.bigenius-x.com/implementation-type-model-object?hsLang=en), [Deduplication Method (Dataflow)](https://knowledge.bigenius-x.com/deduplication-method-model-object?hsLang=en), [Sort Order within Partition (Dataflow)](https://knowledge.bigenius-x.com/deduplication-partition-model-object?hsLang=en), [BG\_LoadTimestamp](https://knowledge.bigenius-x.com/bg_loadtimestamp?hsLang=en), [BG\_SourceSystem](https://knowledge.bigenius-x.com/bg_sourcesystem?hsLang=en) - See also: [Create a Model Object with the wizard](https://knowledge.bigenius-x.com/create-a-model-object-with-the-wizard?hsLang=en), [Model a Data Store Solution](https://knowledge.bigenius-x.com/model-a-data-store-solution?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) - [Administration](https://knowledge.bigenius-x.com/application-modules?hsLang=en#administration) - [Solutions](https://knowledge.bigenius-x.com/application-modules?hsLang=en#solutions) - 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