DW Handbook
This page shows the name of the construct, its description
Attribute
|
Value
|
Name
|
Impute Values
|
Description
|
None
|
Function
|
None
|
Aim
|
Allow a data engineer (user) to remove null values from a columns of attributes based on an expression (or constant value)
|
Context
|
None
|
Rationale
|
None
|
Mechanisim
|
None
|
Formalisim
|
None
|
Relational Algebra (RA)
|
Similar to RA operation
Attribute Extension (ε)/Generalized Projection
|
Type
|
Composite
|
Class
|
Unary
|
Transformation_category
|
1:1
|
Inputs
|
Inputs | Number of input datasets |
None | 1 |
|
Outputs
|
Outputs | Number of output datasets |
None | 1 |
|
Used in stage(s)
|
Cleaning
|