Was this page helpful?
Your feedback about this content is important. Let us know what you think.
Additional feedback?
1500 characters remaining
Export (0) Print
Expand All
Expand Minimize

Changing this alias will result in a duplicate output column name.

The modification you are trying to make will yield a query in which several output columns have the same name. You must explicitly supply unique aliases for each output column.

Community Additions

© 2015 Microsoft