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docs(config): derived variables in the EDIT screen #21

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allan merged 23 commits from docs/derived-variables into main 2026-10-21 22:26:31 +00:00
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docs/derived-variables.md
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@@ -6,6 +6,11 @@ description: Derived variables are computed columns that appear in the EDIT scre
# Derived Variables # Derived Variables
!!! warning "Draft - not in a release yet"
This page describes a feature that is in development. It is published early so
the wording and the screenshots can be reviewed; the behaviour described here
ships in the next release.
A derived variable is a column that does not exist in the target table, but is computed when the table is loaded into the [EDIT screen](/dc-userguide/#editor). It is read-only, it appears after the physical columns, and it can be filtered on like any other column. A derived variable is a column that does not exist in the target table, but is computed when the table is loaded into the [EDIT screen](/dc-userguide/#editor). It is read-only, it appears after the physical columns, and it can be filtered on like any other column.
Derived variables are useful when users need to work with a value that is a function of the stored data - a banding, a concatenation, a calculation - without changing the table, the load process, or the ETL. Derived variables are useful when users need to work with a value that is a function of the stored data - a banding, a concatenation, a calculation - without changing the table, the load process, or the ETL.
docs/tables/mpe_derived.md
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@@ -6,6 +6,11 @@ description: The MPE_DERIVED table is used to configure computed columns that ap
# MPE_DERIVED # MPE_DERIVED
!!! warning "Draft - not in a release yet"
This page describes a feature that is in development. It is published early so
the wording and the screenshots can be reviewed; the behaviour described here
ships in the next release.
The MPE_DERIVED table is used to configure derived (computed) variables - columns that are created when a table is loaded into the EDIT screen, so that they can be displayed and filtered on without being stored. More details are available in the [user guide](/derived-variables/) The MPE_DERIVED table is used to configure derived (computed) variables - columns that are created when a table is loaded into the EDIT screen, so that they can be displayed and filtered on without being stored. More details are available in the [user guide](/derived-variables/)
The table is itself registered in [MPE_TABLES](/tables/mpe_tables/), so it is maintained through the EDIT screen with the usual review and approve workflow. The table is itself registered in [MPE_TABLES](/tables/mpe_tables/), so it is maintained through the EDIT screen with the usual review and approve workflow.
mkdocs.yml
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@@ -32,7 +32,7 @@ nav:
- MPE_DATASTATUS_TABS: tables/mpe_datastatus_tabs.md - MPE_DATASTATUS_TABS: tables/mpe_datastatus_tabs.md
- MPE_DATADICTIONARY: tables/mpe_datadictionary.md - MPE_DATADICTIONARY: tables/mpe_datadictionary.md
- MPE_DATALOADS: tables/mpe_dataloads.md - MPE_DATALOADS: tables/mpe_dataloads.md
- MPE_DERIVED: tables/mpe_derived.md - MPE_DERIVED (draft): tables/mpe_derived.md
- MPE_EMAILS: tables/mpe_emails.md - MPE_EMAILS: tables/mpe_emails.md
- MPE_EXCEL_CONFIG: tables/mpe_excel_config.md - MPE_EXCEL_CONFIG: tables/mpe_excel_config.md
- MPE_FILTERANYTABLE: tables/mpe_filteranytable.md - MPE_FILTERANYTABLE: tables/mpe_filteranytable.md
@@ -59,7 +59,7 @@ nav:
- CAS Tables: cas-tables.md - CAS Tables: cas-tables.md
- Column Level Security: column-level-security.md - Column Level Security: column-level-security.md
- Dates / Datetimes: dcc-dates.md - Dates / Datetimes: dcc-dates.md
- Derived Variables: derived-variables.md - Derived Variables (draft): derived-variables.md
- Dynamic Cell Dropdown: dynamic-cell-dropdown.md - Dynamic Cell Dropdown: dynamic-cell-dropdown.md
- Emails: emails.md - Emails: emails.md
- Excel: excel.md - Excel: excel.md