We often come across situations where we have to rank things/persons based on certain criteria, such as ranking Students based on their scores.
Take, for example, a SCORES table with two columns: STUDENT_IDVARCHAR2(10), SCORE NUMBER(5). To rank these Students based on their scores, a straightforward approach is to open a cursor, order them by SCORE and then loop through the cursor to Rank them.
However, there is another very short approach for this that takes 1 SQLstatement. Let
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