Referencing previous rows

Lets say i have a table: create table t ( a int, b date, c varchar2(30) ); with this data in it: insert into t values ( 1, to_date( '01-jan-2004'), 'hello' ); insert into t values ( 2, to_date( '15-jan-2004'), 'world' ); insert into t v...

Read More...

---