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 and solutions

Exercise #56

Database «Ships»

Exercise #24

Computer Firm Database

Exercise #70 (tips and solutions)

Tips and solutions

Exercise #54 (tips and solutions)

Tips and solutions

Exercise #56 (tips and solutions)

Tips and solutions