| Atomic Warehouse Model Data Model |
| Description | An association between one SNOMED concept and another SNOMED concept. Each row in the relationships table represents a relationship between two concepts. The type of relationship is identified by reference to another concept. The relationships table is concerned with definitions, qualifiers and additional facts about a concept. Although it can also be used to display a hierarchy of subtypes it does not have a specified or natural display order. A relationship refers to three concepts: a source, target, and relationship type A concept is the source of 1-n relationships (except the root concept) A concept is the target of 0-n relationships A concept represents the type of relationship |
| Relationship | |
 SNOMED Concept / Concept_SNOMED Concept_FK |
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| SNOMED Concept / Concept_SNOMED Concept_FK1 |
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| SNOMED Concept / Concept_Coding System Version_FK |
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| Primary Key | |
 SNOMED Concept / Concept PK |
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| Dependencies | |
 |
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| Reverse Dependencies | |
 |
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| Attribute Details |
Coding System Version Sk
| Description | The Version for a set of related codes. This exists to make it easier to produce a list of current valid codes, or in conjunction with the relative dates find the correct Version of a set of codes that was valid at a point in time. |
| 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 |
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 |
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 |
Relationship Type Code Sk
| Description | Identifies the type of the relationship as defined in the business data model. |
| 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 |
SNOMED Concept Characteristic Type Code Sk
| Description | Indicates whether or not a Relationship specifies a defining characteristic of the source Concept or a possible qualifying characteristic of that Concept. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Surrogate Key [INTEGER] |
| Is Part Of PrimaryKey | false |
| Is Required | false |
| Is Derived | false |
| Is Surrogate Key | false |
SNOMED Concept Concept Sk
| Description | The generated unique key for a SNOMED Concept to Concept record. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Surrogate Key [INTEGER] |
| Is Part Of PrimaryKey | true |
| Is Required | true |
| Is Derived | false |
| Is Surrogate Key | true |
SNOMED Concept Source Sk
| Description | Surrogate Key to the unique SNOMED CT Identifier of the Concept which is the source of this Relationship. |
| 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 |
SNOMED Concept Target Sk
| Description | Surrogate Key to the unique SNOMED CT Identifier of the Concept which is the Target of this Relationship. |
| 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 |
SNOMED Relationship Group Id
| Description | Links together Relationships which are part of a logically associated Relationship group. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Identifier Numeric [INTEGER] |
| Is Part Of PrimaryKey | false |
| Is Required | false |
| Is Derived | false |
| Is Surrogate Key | false |
SNOMED Relationship Num
| Description | Identifying business key for this relationship record. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Identifier Numeric [INTEGER] |
| Is Part Of PrimaryKey | false |
| Is Required | true |
| Is Derived | false |
| Is Surrogate Key | false |
SNOMED Relationship Refinability Ind
| Description | Indicates whether or not it is possible to refine the target Concept when this relationship is used as a template for clinical data entry. |
| Data Type | Standards - Data Domains.ddm/Data Domains/Boolean Indicator [INTEGER] |
| Is Part Of PrimaryKey | false |
| Is Required | false |
| 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 |
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 |
SNOMED Concept / Concept_SNOMED Concept_FK
| Is Identifying Relationship | false |
| Child Table | SNOMED Concept / Concept |
| 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 | SNOMED Concept |
| Parent Multiplicity | ONE |
| Parent Referential Integrity: On Delete | NONE |
| Parent Referential Integrity: On Insert | NONE |
| Parent Referential Integrity: On Update | NONE |
SNOMED Concept / Concept_SNOMED Concept_FK1
| Is Identifying Relationship | false |
| Child Table | SNOMED Concept / Concept |
| 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 | SNOMED Concept |
| Parent Multiplicity | ONE |
| Parent Referential Integrity: On Delete | NONE |
| Parent Referential Integrity: On Insert | NONE |
| Parent Referential Integrity: On Update | NONE |
SNOMED Concept / Concept_Coding System Version_FK
| Is Identifying Relationship | false |
| Child Table | SNOMED Concept / Concept |
| 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 | Coding System Version |
| Parent Multiplicity | ONE |
| Parent Referential Integrity: On Delete | NONE |
| Parent Referential Integrity: On Insert | NONE |
| Parent Referential Integrity: On Update | NONE |
| Primary Key Details |
SNOMED Concept / Concept PK
| Key Attribute | SNOMED Concept Concept Sk |
| Atomic Warehouse Model Data Model |