Difference between revisions of "Reference Table"

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==Table Description==
{{:Data Description References}}
The d_references table contains information on all encoded data fields of the SICDB dataset. To simplify JOIN and other types of subqueries each reference value has an unique global identifier.
 
== Raw Fields ==
 
{| class="wikitable"
|+ Caption d_references
|-
! Name !! Description !! Comment
|-
| ReferenceGlobalID || The unique ID for the reference || Use this identifier as dictionary for alle encoded fields
|-
| ReferenceValue || Reference value || i.e. "male"
|-
| ReferenceName || The name of the reference  || i.e. "sex"
|-
| ReferenceOrder || Default order of reference  || i.e. KDIGO_0=0, KDIGO_1=1  (used in further releases)
|-
| ReferenceType || Type of reference if applicable || i.e. Laboratory, Medication ...  (used in further releases)
|-
| ReferenceSubtype || Subtype of reference if applicable || i.e. Crystalloid, Colloid (used in further releases)
|-
| Caption || Caption of reference || May be used in future for translation
|-
| DefaultChartConfig || Some data can be visualized in charts (RooDataServer), this metadata defines how ||
|-
| CustomFieldID || Used for user-defined data || (used in further releases)
|}


== Usage Information ==
== Usage Information ==


d_references is the dictionary for all encoded data.  
d_references is the dictionary for all encoded data.  
=== Raw Data ===
For raw data replace the value (i.e. Laboratory.LaboratoryID) with the value of d_references.ReferenceValue where  Laboratory.LaboratoryID = d_references.ReferenceGlobalID


=== SQL ===
=== SQL ===
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Example:
Example:


   SELECT Sex,SexRef.ReferenceValue as SexCaption FROM `cases` INNER JOIN d_references as SexRef ON SexRef.ReferenceGlobalID = cases.Sex;
   SELECT Sex,sRef.ReferenceValue as SexCaption FROM `cases` LEFT JOIN d_references as sRef ON SexRef.ReferenceGlobalID = cases.Sex;
 
For more examples read  the  [[SQL Examples]] section


=== RooDataServer ===
=== RooDataServer ===
All fields using references provide simple  
[[File:ReferenceSelection.jpg|thumb|ReferenceSelection]]
All fields using references provide simple filters to select references.
On export RooDataServer will per default export the text value of an encoding.





Latest revision as of 10:43, 3 November 2022

The d_references table contains information on all encoded data fields of the SICdb dataset. Each field, that has "Reference" as field type, is associated with the ReferenceGlobalID in the d_references table. Additionally ReferenceUnit describes the unit of measurement used for this field. Refer to chapter SQL Examples to learn how to easily use this table in relational databases.

d_references.csv.gz
Name Type Description Comment
ReferenceGlobalID Integer The unique ID for the reference Use this identifier as dictionary for alle encoded fields
ReferenceValue Text Reference value i.e. "Creatinine"
ReferenceName Text The name of the reference i.e. "Laboratory"
ReferenceUnit Text The unit of this item if applicable i.e. "mg/dl"
LOINC_code Text LOINC Code
LOINC_short Text LOINC SHORTNAME
LOINC_long Text LOINC LONG_COMMON_NAME

Usage Information

d_references is the dictionary for all encoded data.

SQL

Use a join query to get the reference value.

Example:

 SELECT Sex,sRef.ReferenceValue as SexCaption FROM `cases` LEFT JOIN d_references as sRef ON SexRef.ReferenceGlobalID = cases.Sex;

For more examples read the SQL Examples section

RooDataServer

ReferenceSelection

All fields using references provide simple filters to select references. On export RooDataServer will per default export the text value of an encoding.


Note

To reduce the amount of tables there is no table describing references as there is no significant gain of information expected. This may change in later versions of dataset. To enumerate a reference use table d_references.ReferenceName, which is an immutable, case sensitive key to a reference.