Peng Yu <pengyu...@gmail.com> wrote: > Suppose that I have a table of 4 columns. > > S R1 R2 T > -------------------------------- > s1 r1 r2 t1 > s1 r1 r2 t2 > s2 r3 r4 t5 > s2 r5 r4 t6 > s3 r6 r7 t7 > s3 r6 r8 t9 > s4 r9 r10 t10 > > I want to select only the rows where if S column are the same, R1 > column is the same and R2 column is the same.
select * from mytable where s in (select s from mytable group by s having min(r1)=max(r1) and min(r2)=max(r2) ); -- Igor Tandetnik _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
