UNION ALL
Recursive CTE
Common table expressions (CTE)
Exercise #37
Database «Ships»
Union
Conventional set-theoretic operations and the SELECT statement
Summarizing data using ROLLUP
Getting summarizing values
Exercise #54
Database «Ships»
Exercise #56
Database «Ships»
Exercise #32
Database «Ships»
Exercise #37 (tips and solutions)
Tips & solutions
Exercise #57 (tips and solutions)
Tips & solutions