Which of the following returns a scalar value?

To be in Third Normal Form (3NF)

Assuming that the tables and columns are correct and there is valid data, what is the result of the following query? SELECT       sales_person_id       , SUM(sales_totals) FROM sales_records WHERE sales_person_id IN (       SELECT sales_person_id       FROM employee       INNER JOIN departments       ON employee.departmentId = departments.departmentId       AND departments.deparmentName = ‘Agriculture’ ) AND sales_records.quarter = 2 GROUP BY sales_person_id;

Assuming that the table and column names are correct, consider the following trigger: CREATE TRIGGER Product_Insert_Update ON Product AFTER INSERT, UPDATE AS        UPDATE Product        SET ProductCategory = LOWER(ProductCategory)        WHERE ProductID IN (SELECT ProductID FROM Inserted) – the inserted ProductID ;   What is the effect of running the following statements? INSERT INTO Product(ProductID, ProductName, ProductCategory) VALUES (‘1235453′,’Alpha 39′,’Alpha’);   SELECT ProductID, ProductName, ProductCategory FROM Products WHERE ProductID = ‘1235453’;

Consider the following E-R diagram: The cardinality of Table_1 in the relationship is

When using the asterisk (*) in an aggregate function, such as COUNT(*), the asterisks represents:

If you wish to query two tables, returning all the records from the first table and only matching values from the second table, you would use a(n)

Which of the following returns a scalar value?

Table Alpha is defined with a single UNIQUE constraint on fields Beta and Delta together.  This means

Which of the following uses the least amount of storage?