SQL tuning with Hashing and Sorting
Aggregation SQL is not all just primary key lookups, although some applications sadly see SQL as only useful in that
Aggregation SQL is not all just primary key lookups, although some applications sadly see SQL as only useful in that
One of the cool things with materialised* views in Oracle is their ability to be kept in sync with the
It’s a simple requirement. We want to transform this: SQL> select deptno, ename 2 from emp 3 order by 1,2;