When you add a data
source (a table or subquery) to the workspace, the columns from the
data source are not automatically added as output columns to the query.
You need to add the
columns to the query that you want to use as input. After the columns
are added, you can specify column expressions and aggregations and
use the sort and pivot by features.
Note: As an exception, the auto-aggregate
feature requires that you set the default aggregations for the table
before they are added to the query.
When a data source
is dropped onto the workspace, the column types are represented by
the following icons:
Icons for Data Types
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This icon represents
numeric data.
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This icon represents
character data.
Note: Date, time, and datetime
data use this icon. After the column is added, the Type and Format columns
are updated with information about the new column.
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