Indicates whether SQL statement returns rows or not.
property IsQuery: boolean;
When the TOraDataSet component is prepared, it returns True. If SQL statement is SELECT or PL/SQL block it returns the REF CURSOR parameter.
Use the IsQuery property to check whether SQL statement returns rows or not. TOraDataSet returns rows when SQL statement is SELECT or PL/SQL block with the REF CURSOR parameter. TOraDataSet must be prepared beforehand.
IsQuery is a read-only property.