| Dimensional Warehouse Model Data Model |
| Description | An information gathering and processing exercise in the field of medical research for the purpose of determining how a new medicine, treatment or other factors impact people's health. Studies can follow various methodologies and as such are categorized into more specific types based on the methodology used. |
| Relationship | |
 Study Fact_Study Dimension_FK |
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| Study Fact_Calendar Dimension_FK |
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| Study Fact_Calendar Dimension_FK1 |
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| Primary Key | |
 Study Fact PK |
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| Dependencies | |
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| Reverse Dependencies | |
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| Attribute Details |
AWM Load Info Sk
| Description | The surrogate key of the load information entry describing the details regarding the loading of the row in the atomic data warehouse. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Surrogate Key Large [LONG] |
| Is Part Of PrimaryKey | false |
| Is Required | true |
| Is Derived | false |
| Is Surrogate Key | false |
Current Ind
| Description | Set to 'Y' if this is the most recent row of a group having the same Surrogate Key. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Boolean Indicator [INTEGER] |
| Is Part Of PrimaryKey | false |
| Is Required | true |
| Is Derived | false |
| Is Surrogate Key | false |
DWM Load Info Sk
| Description | The surrogate key of the load information entry describing the details regarding the loading of the row. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Surrogate Key Large [LONG] |
| Is Part Of PrimaryKey | false |
| Is Required | true |
| Is Derived | false |
| Is Surrogate Key | false |
Effective From Dt
| Description | Establishes a period where a set of attributes are true according to the business. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Date [DATE] |
| Is Part Of PrimaryKey | false |
| Is Required | true |
| Is Derived | false |
| Is Surrogate Key | false |
Effective To Dt
| Description | Ends a period of effectivity. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Date [DATE] |
| Is Part Of PrimaryKey | false |
| Is Required | false |
| Is Derived | false |
| Is Surrogate Key | false |
End Calendar Dk
| Description | A numeric surrogate key used to uniquely identify entities in the dimensional model. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Surrogate Key Large [LONG] |
| Is Part Of PrimaryKey | false |
| Is Required | true |
| Is Derived | false |
| Is Surrogate Key | false |
End Dt
| Description | The date upon which the study ends. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Date [DATE] |
| Is Part Of PrimaryKey | false |
| Is Required | false |
| Is Derived | false |
| Is Surrogate Key | false |
Source Cd
| Description | The code that corresponds to the Source Code Sk. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Tenant Common Code [VARCHAR(80)] |
| Is Part Of PrimaryKey | false |
| Is Required | true |
| Is Derived | false |
| Is Surrogate Key | false |
Source Code Sk
| Description | The origin of the data identifying the actual load source, vendor, manual key entry, or context of the data in a specific row in the database. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Surrogate Key [INTEGER] |
| Is Part Of PrimaryKey | false |
| Is Required | true |
| Is Derived | false |
| Is Surrogate Key | false |
Start Calendar Dk
| Description | A numeric surrogate key used to uniquely identify entities in the dimensional model. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Surrogate Key Large [LONG] |
| Is Part Of PrimaryKey | false |
| Is Required | true |
| Is Derived | false |
| Is Surrogate Key | false |
Start Dt
| Description | The date upon which the study starts. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Date [DATE] |
| Is Part Of PrimaryKey | false |
| Is Required | false |
| Is Derived | false |
| Is Surrogate Key | false |
Study Cnt
| Description | Number of studies. As the grain of the fact is the individual study, the value of this is always 1. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Count [INTEGER] |
| Default Value | 1 |
| Is Part Of PrimaryKey | false |
| Is Required | false |
| Is Derived | false |
| Is Surrogate Key | false |
Study Dk
| Description | A numeric surrogate key used to uniquely identify entities in the dimensional model. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Surrogate Key Large [LONG] |
| Is Part Of PrimaryKey | false |
| Is Required | true |
| Is Derived | false |
| Is Surrogate Key | false |
Study Fact Bk
| Description | Concatenated values of a set of business attributes that uniquely identify the row. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Business Key [VARCHAR(255)] |
| Is Part Of PrimaryKey | false |
| Is Required | true |
| Is Derived | false |
| Is Surrogate Key | false |
Study Fact Dk
| Description | A numeric surrogate key used to uniquely identify entities in the dimensional model. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Surrogate Key Large [LONG] |
| Is Part Of PrimaryKey | true |
| Is Required | true |
| Is Derived | false |
| Is Surrogate Key | true |
Study Fact Sk
| Description | A numeric surrogate key used to uniquely identify entities in the atomic model. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Surrogate Key Large [LONG] |
| Is Part Of PrimaryKey | false |
| Is Required | true |
| Is Derived | false |
| Is Surrogate Key | false |
Study Sk
| Description | A numeric surrogate key used to uniquely identify entities in the atomic model. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Surrogate Key Large [LONG] |
| Is Part Of PrimaryKey | false |
| Is Required | true |
| Is Derived | false |
| Is Surrogate Key | false |
Tenant Sk
| Description | The surrogate key of the entry identifying the legal owner of the data. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Surrogate Key [INTEGER] |
| Is Part Of PrimaryKey | false |
| Is Required | true |
| Is Derived | false |
| Is Surrogate Key | false |
Valid From Ts
| Description | Establishes a period where a set of attributes are true in the source system. This would be populated with the transaction timestamp and would be used for the snapshot date. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Timestamp [TIMESTAMP] |
| Is Part Of PrimaryKey | false |
| Is Required | true |
| Is Derived | false |
| Is Surrogate Key | false |
Valid To Ts
| Description | Ends a period of validity. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Timestamp [TIMESTAMP] |
| Is Part Of PrimaryKey | false |
| Is Required | false |
| Is Derived | false |
| Is Surrogate Key | false |
| Relationship Details |
Study Fact_Study Dimension_FK
| Is Identifying Relationship | false |
| Child Table | Study Fact |
| Child Multiplicity | ZERO_TO_MANY |
| Child Referential Integrity: On Delete | NONE |
| Child Referential Integrity: On Insert | NONE |
| Child Referential Integrity: On Update | NONE |
| Parent Table | Study Dimension |
| Parent Multiplicity | ONE |
| Parent Referential Integrity: On Delete | NONE |
| Parent Referential Integrity: On Insert | NONE |
| Parent Referential Integrity: On Update | NONE |
Study Fact_Calendar Dimension_FK
| Is Identifying Relationship | false |
| Child Table | Study Fact |
| Child Role Name | start |
| Child Multiplicity | ZERO_TO_MANY |
| Child Referential Integrity: On Delete | NONE |
| Child Referential Integrity: On Insert | NONE |
| Child Referential Integrity: On Update | NONE |
| Parent Table | Calendar Dimension |
| Parent Multiplicity | ONE |
| Parent Referential Integrity: On Delete | NONE |
| Parent Referential Integrity: On Insert | NONE |
| Parent Referential Integrity: On Update | NONE |
Study Fact_Calendar Dimension_FK1
| Is Identifying Relationship | false |
| Child Table | Study Fact |
| Child Role Name | end |
| Child Multiplicity | ZERO_TO_MANY |
| Child Referential Integrity: On Delete | NONE |
| Child Referential Integrity: On Insert | NONE |
| Child Referential Integrity: On Update | NONE |
| Parent Table | Calendar Dimension |
| Parent Multiplicity | ONE |
| Parent Referential Integrity: On Delete | NONE |
| Parent Referential Integrity: On Insert | NONE |
| Parent Referential Integrity: On Update | NONE |
| Primary Key Details |
Study Fact PK
| Key Attribute | Study Fact Dk |
| Dimensional Warehouse Model Data Model |