/text/shared/02/querypropdlg.xhp queries; set properties Query Properties Dialog In the Query Properties dialog you can set two properties of the SQL Query, i.e. whether to return distinct values, and whether to limit the result set.

In the Query Design View, choose Edit - Query Properties.

Distinct Values Use distinct values in query. Not use distinct values in query. Expands the created select statement of the SQL Query in the current column by the parameter DISTINCT. The consequence is that identical values occurring multiple times are listed only once. Limit Adds a Limit to set the maximum number of records to return.