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The source level properties are a subset of plan settings. You can change the settings for all the tables in the source or you can change the settings for each table in the source.
If a property is not available at the data source level, the property value at the plan level takes precedence. A lookup connection appears in the settings if there is a mapplet rule that is associated with a column in the data source.
To change settings at the source or table level, choose the