C170 PA ALREADY PASSED
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? - ✔✔Many-to-many
Which kind of relationship is displayed in this entity-relationship diagram? - ✔✔Many-to-many unary
Which two examples are attributes? Choose 2 answers - ✔✔AN Employee number, and 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? - ✔✔Set-to-null
In this entity-relationship diagram, Salesperson 361 is related to two customers. The table follows the
restrict delete rule. What happens if someone tries to delete Salesperson 361 from the customer
records? - ✔✔the delete is prohibited
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 ,
expiration
Employee_IDEmployee_NameOffice_Address12342Jacob54123 Main Street12346Michael354 Center
Avenue12846Ethan54123 Main Street12887Joshua54123 Main Street12894Daniel354 Center
Avenue13097Alexander354 Center Avenue13112Anthony54123 Main Street13411William354 Center
Avenue13987Christopher354 Center Avenue13998Matthew54123 Main Street
This database table has ten different employee numbers in the first column. Employee_ID is the
primary key. In addition, it has ten different names in the second column and two office addresses
repeated five times each in the third column.Which action should be used to translate this data into
third normal form? - ✔✔Move the data from the third column into its own table.
, A database manager starts to convert data that has been normalized into a form that conforms to
the relational model. A simple primary key has been established and all the repeating groups have
been deleted. In which form is this data? - ✔✔Second normal form
Two attributes in two related tables have the exact same domain of values. The attribute is a primary
key in one table. Which kind of key is the attribute in the other table? - ✔✔Foreign
Which command creates a database only if it does not already exist? - ✔✔CREATE DATABASE IF NOT
EXISTS db_name ;
Refer to the given SQL statement.
SELECT PRODNUM, PRODNAME FROM PRODUCT
Which line should be added to the end of the statement to return the product numbers and product
names for products that cost 20 dollars? - ✔✔WHERE PRODCOST=20;
What does WHERE identify in a basic SQL SELECT statement? - ✔✔The row to be included
Refer to the given SQL statement.
SELECT EMPNUMFROM EMPLOYEE
Which line added to the end of the statement returns employee numbers of at least 1000? -
✔✔WHERE EMPNUM >= 1000;
Refer to the given SQL statement.
SELECT PRODNUM, SUM(QUANTITY)FROM SALESPERSON
Which line, when added to the end of the statement, returns the total number of each kind of
product by product number? - ✔✔GROUP BY PRODNUM;
Which data definition language statement affects databases or objects in them? - ✔✔ALTER
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? - ✔✔Many-to-many
Which kind of relationship is displayed in this entity-relationship diagram? - ✔✔Many-to-many unary
Which two examples are attributes? Choose 2 answers - ✔✔AN Employee number, and 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? - ✔✔Set-to-null
In this entity-relationship diagram, Salesperson 361 is related to two customers. The table follows the
restrict delete rule. What happens if someone tries to delete Salesperson 361 from the customer
records? - ✔✔the delete is prohibited
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 ,
expiration
Employee_IDEmployee_NameOffice_Address12342Jacob54123 Main Street12346Michael354 Center
Avenue12846Ethan54123 Main Street12887Joshua54123 Main Street12894Daniel354 Center
Avenue13097Alexander354 Center Avenue13112Anthony54123 Main Street13411William354 Center
Avenue13987Christopher354 Center Avenue13998Matthew54123 Main Street
This database table has ten different employee numbers in the first column. Employee_ID is the
primary key. In addition, it has ten different names in the second column and two office addresses
repeated five times each in the third column.Which action should be used to translate this data into
third normal form? - ✔✔Move the data from the third column into its own table.
, A database manager starts to convert data that has been normalized into a form that conforms to
the relational model. A simple primary key has been established and all the repeating groups have
been deleted. In which form is this data? - ✔✔Second normal form
Two attributes in two related tables have the exact same domain of values. The attribute is a primary
key in one table. Which kind of key is the attribute in the other table? - ✔✔Foreign
Which command creates a database only if it does not already exist? - ✔✔CREATE DATABASE IF NOT
EXISTS db_name ;
Refer to the given SQL statement.
SELECT PRODNUM, PRODNAME FROM PRODUCT
Which line should be added to the end of the statement to return the product numbers and product
names for products that cost 20 dollars? - ✔✔WHERE PRODCOST=20;
What does WHERE identify in a basic SQL SELECT statement? - ✔✔The row to be included
Refer to the given SQL statement.
SELECT EMPNUMFROM EMPLOYEE
Which line added to the end of the statement returns employee numbers of at least 1000? -
✔✔WHERE EMPNUM >= 1000;
Refer to the given SQL statement.
SELECT PRODNUM, SUM(QUANTITY)FROM SALESPERSON
Which line, when added to the end of the statement, returns the total number of each kind of
product by product number? - ✔✔GROUP BY PRODNUM;
Which data definition language statement affects databases or objects in them? - ✔✔ALTER
