UNION
Exercise #30
Database «Recycled materials company»
Exercise #70
Database «Ships»
Exercise #37
Database «Ships»
Union
Conventional set-theoretic operations and the SELECT statement
Exercise #38
Database «Ships»
FULL JOIN and MySQL
Using multiple tables in a query
Sequence of fulfillment of UNION, EXCEPT, and INTERSECT operators
Conventional set-theoretic operations and the SELECT statement
Exercise #151
Database «Ships»
Exercise #7
Computer Firm Database
Conventional set-theoretic operations and the SELECT statement
SELECT statement
Exercise #51
Database «Ships»
Exercise #55
Database «Ships»
Exercise #26 (tips and solutions)
Tips & solutions
Exercise #56
Database «Ships»
Exercise #24
Computer Firm Database
Exercise #70 (tips and solutions)
Tips & solutions
Exercise #54 (tips and solutions)
Tips & solutions
Exercise #56 (tips and solutions)
Tips & solutions