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Questions and Answers
Which of the following activities is NOT included in the outline of the Advanced Database Management Systems class?
Which of the following activities is NOT included in the outline of the Advanced Database Management Systems class?
What is the purpose of the SQL query 'UPDATE instructor SET salary = salary + (salary * 0.05)'?
What is the purpose of the SQL query 'UPDATE instructor SET salary = salary + (salary * 0.05)'?
What is the purpose of the SQL query 'UPDATE instructor SET salary = salary * 1.05 WHERE salary < (SELECT AVG(salary) FROM instructor)'?
What is the purpose of the SQL query 'UPDATE instructor SET salary = salary * 1.05 WHERE salary < (SELECT AVG(salary) FROM instructor)'?
What is the purpose of the SQL query 'UPDATE instructor SET salary = salary * 1.05 WHERE salary < 70000'?
What is the purpose of the SQL query 'UPDATE instructor SET salary = salary * 1.05 WHERE salary < 70000'?
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Which SQL query is used to sort the 'Students' table by FIRSTNAME, LASTNAME in descending order, and AGE in descending order?
Which SQL query is used to sort the 'Students' table by FIRSTNAME, LASTNAME in descending order, and AGE in descending order?
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Study Notes
Advanced Database Management Systems Class
- The class outline does not include a specific activity (to be determined)
SQL Queries
- The query 'UPDATE instructor SET salary = salary + (salary * 0.05)' increases the salary of all instructors by 5%
- The query 'UPDATE instructor SET salary = salary * 1.05 WHERE salary < (SELECT AVG(salary) FROM instructor)' increases the salary of instructors who earn less than the average salary by 5%
- The query 'UPDATE instructor SET salary = salary * 1.05 WHERE salary < 70000' increases the salary of instructors who earn less than $70,000 by 5%
Sorting Queries
- The SQL query to sort the 'Students' table by FIRSTNAME, LASTNAME in descending order, and AGE in descending order is (query not provided)
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Description
Advanced Database Management Systems Quiz: Join, Relational Algebra, and PLSQL