You create a virtual table to segment data from one of
more tables. Such segmentation can be vertical (either a subset or
superset of columns based on a selection of chosen columns) or horizontal
(an explicit set of rows or records based on a conditional expression)
or both. You can then run subsequent analysis (for example, column
or cross-domain) on this virtual table.
Procedure
- On the Column Analysis workspace
of the console, select the base table from which to create virtual
table and click Create Virtual Table.
- In the Name field, type a name for
the virtual table.
- Optional: In the Short Description field,
type a short description. For example, you might want
to provide a reason for the specific view.
- Optional: In the Long Description field,
type a longer description.
- Select one or more columns from the Available
Columns list.
- Click the arrow button to move the selected columns into
the Selected Columns list.
- Optional: Modify the order of the selected
columns by using the up and down arrows.
- Optional: To define filters for the selected
columns, click Add Condition to select the
following 'where' clause parameters: open parenthesis, a
column name, an operator, a value, close parenthesis, and an And or Or Boolean
operator.
- Click Save.
What to do next
You can analyze the new virtual table by running a column
analysis job.