menu_book Course Curriculum (Oracle SQL Complete Course) expand_more
RANK analytic
Learn RANK analytic in Oracle SQL through the exact construct, a dedicated example, a boundary case, and a mastery check.
RANK analytic is an atomic Oracle SQL lesson inside Hierarchical & Analytic SQL. The example uses the specific syntax, command, API, instruction, or language rule named by this lesson.
Study the construct itself, then change one relevant input and predict the result before running it. That keeps this lesson focused on RANK analytic rather than on generic Oracle SQL syntax.
Topic-specific example
SELECT id,total,RANK() OVER(ORDER BY total DESC) rnk FROM orders;
Test RANK analytic with an empty result, NULL/missing value, duplicate key, or concurrent operation where relevant; database behavior should be verified at the boundary shown by this example.