hello, 1. do sub datasets have there use only in crosstabs & charts or we can use them in some other way also. 2. can i use parameter in the query of subdataset to make them dependent on our main query. 3. can sub datasets be used for following situation-- say, i have two tables 1. emp (empno,ename,deptno) 2. dept (deptno,dname) i am accessing emp from my main report query for emp no and deptno. Now i want to use dname field of dept table. Can i use subdataset query for accessing dname field. Please tell me if it is possible. I will thankfull to u.