Subquery
Again about subqueries
Using SOME(ANY) and ALL keywords with comparison predicates
INSERT statement
Data modification statements
Exercise #59
Database «Recycled materials company»
UPDATE statement
Data modification statements
Exercise #(-2)
Database «Ships»
Exercise #7
Computer Firm Database
Subqueries in Check Constraints
Data Definition Language (SQL DDL)
Exercise #17 (tips and solutions)
Tips and solutions
Relational division
SELECT statement
Using SOME(ANY) and ALL keywords with comparison predicates
SELECT statement
Exercise #13
Computer Firm Database
Exercise #24
Computer Firm Database