C170 - PRE-ASSESSMENT QUESTIONS WITH 100% CORRECT ANSWERS { GRADED A+}

C170 - PRE-ASSESSMENT QUESTIONS

WITH 100% CORRECT ANSWERS {

GRADED A+}




A salesperson is authorized to sell many products and a product

can be sold by many salespersons.



Which kind of binary relationship does this scenario describe?



One-to-one

One-to-many

Many-to-many

One-to-one binary - ✔✔Many-to-many

Which two examples are attributes?

,Choose 2 answers



A person attending a meeting

An employee number

A sales meeting

A meeting code - ✔✔An employee number

A meeting code

Which delete rule sets column values in a child table to a missing

value when the matching data is deleted from the parent table?



Restrict

Cascade

Matching

Set-to-Null - ✔✔Set-to-Null

Refer to the given SQL statement.



CREATE TABLE member

,(

member_id INT UNSIGNED NOT NULL AUTO_INCREMENT,

PRIMARY KEY (member_id),

last_name VARCHAR(20) NOT NULL,

first_name VARCHAR(20) NOT NULL,

suffix VARCHAR(5) NULL,

expiration DATE NULL,

email VARCHAR(100) NULL,

street VARCHAR(50) NULL,

city VARCHAR(50) NULL,

state VARCHAR(2) NULL,

zip VARCHAR(10) NULL,

phone VARCHAR(20) NULL,

interests VARCHAR(255) NULL

);



Which two columns are created as something other than variable-

length strings in this statement?

, Choose 2 answers



member_id

last name

suffix

expiration

email

city - ✔✔member_id

expiration

Employee_ID Employee_Name Office_Address

12342 Jacob 54123 Main Street

12346 Michael 354 Center Avenue

12846 Ethan 54123 Main Street

12887 Joshua 54123 Main Street

12894 Daniel 354 Center Avenue

13097 Alexander 354 Center Avenue