checksum of a column

Something I always wanted arrived this week, a checksum of a column ! SQL> create table t1(x number); Table created. SQL> create table t2(x number); Table created. SQL> insert into t1(x) values (1); 1 row created. SQL> insert into t2(x) values (1); 1 row created. SQL> select (select checksum(x) from t1)t1, (select checksum(x) from t2)t2… Continue reading checksum of a column