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A derived variable can now be built on one with a lower VARIABLE_ORDER, so the pages describe the order column, the ordered rule (replacing the self-contained one) and a chained example.
1.3 KiB
1.3 KiB
layout, title, description
| layout | title | description |
|---|---|---|
| article | MPE_DERIVED | The MPE_DERIVED table is used to configure computed columns that appear in the EDIT screen and can be filtered on without being stored in the table. |
MPE_DERIVED
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
The table is itself registered in MPE_TABLES, so it is maintained through the EDIT screen with the usual review and approve workflow.
Columns
TX_FROM num: SCD2 open datetime- 🔑
TX_TO num: SCD2 close datetime - 🔑
LIBREF char(8): The libref of the target table - 🔑
DSN char(32): The target table - 🔑
VARIABLE_NM char(32): The name of the derived column VARIABLE_ORDER num: Evaluation order; a variable may reference one with a lower orderVARIABLE_TYPE char(1):Cfor character,Nfor numericVARIABLE_LENGTH num: Character length, or numeric length (1-8)VARIABLE_FORMAT char(32): Optional SAS format, egDATE9.VARIABLE_LOGIC char(4000): The SAS expression that produces the valueACTIVE num: Set to 1 to apply the variable