Q1.) An integrity constraint is a rule that: a. is kept in an external file b. must be followed by data in the database c. can be accessed by authorized users d. can unintentionally be accessed by unauthorized users Q2. __ is a property that lets you change the structure of the database without requiring you to change the programs that access the database. a. Database design b. Data independence c. Integrity constraint d. Data dependence Q3. The basic form of an SQL retrieval command is: a. SELECT-WHERE-FROM b. CREATE-SELECT-FROM c. SELECT-WHERE d. SELECT-FROM-WHERE Q4. Which of the following queries will list the number, name, credit limit, and balance for all customers with credit limits that exceed their balances. a. SELECT CustomerNum, CustomerName FROM Customer WHERE CreditLimit>Balance ; b. SELECT CustomerNum, CustomerName, CreditLimit, Balance FROM Customer WHERE CreditLimit>Balance ; c. SELECT CustomerNum, CustomerName, Balance FROM Customer WHERE CreditLimit>Balance d. SELECT CustomerNum, CustomerName, CreditLimit, Balance FROM Customer ; Q5. The response of the DBMS to a query is the. a. ad hoc query b. ad hoc response c. query result set d. integrated view of the data Q6. Which of the following queries will list the descriptions of all parts that are located in warehouse 3 or for which there are more than 20 units on hand, or both. a. SELECT Description FROM Customer WHERE Warehouse=’AND OnHand>20 ; b. SELECT Description FROM Part WHERE Warehouse=’3’ OR OnHand>20 ; c. SELECT Description FROM Part WHERE Warehouse=’3’ ; d. SELECT Description FROM Part WHERE OnHand>20 ; Q7. Students and classes have a……. relationship. a. one-to-one b. one-to-many c. many-to-one d. many-to-many Q8. Referential……..dictates that the foreign key must contain values that match the primary key in the related table, or must contain null. a. integrity b. uniqueness c. model d. attribute Q9. The …….. relationship is the “relational model ideal.” a. 1:1 b. 1:M c. M:1 d. M:N Q10. Information about tables in the database is kept: a. in the system catalog b. in each table in the database c. in each row of each table in the database d. in an external file
Q1.) An integrity constraint is a rule that: a. is kept in an external file b. must be followed by data in the database c. can be accessed by authorized users d. can unintentionally be accessed by unauthorized users Q2. __ is a property that lets you change the structure of the database without requiring you to change the programs that access the database. a. Database design b. Data independence c. Integrity constraint d. Data dependence Q3. The basic form of an SQL retrieval command is: a. SELECT-WHERE-FROM b. CREATE-SELECT-FROM c. SELECT-WHERE d. SELECT-FROM-WHERE Q4. Which of the following queries will list the number, name, credit limit, and balance for all customers with credit limits that exceed their balances. a. SELECT CustomerNum, CustomerName FROM Customer WHERE CreditLimit>Balance ; b. SELECT CustomerNum, CustomerName, CreditLimit, Balance FROM Customer WHERE CreditLimit>Balance ; c. SELECT CustomerNum, CustomerName, Balance FROM Customer WHERE CreditLimit>Balance d. SELECT CustomerNum, CustomerName, CreditLimit, Balance FROM Customer ; Q5. The response of the DBMS to a query is the. a. ad hoc query b. ad hoc response c. query result set d. integrated view of the data Q6. Which of the following queries will list the descriptions of all parts that are located in warehouse 3 or for which there are more than 20 units on hand, or both. a. SELECT Description FROM Customer WHERE Warehouse=’AND OnHand>20 ; b. SELECT Description FROM Part WHERE Warehouse=’3’ OR OnHand>20 ; c. SELECT Description FROM Part WHERE Warehouse=’3’ ; d. SELECT Description FROM Part WHERE OnHand>20 ; Q7. Students and classes have a……. relationship. a. one-to-one b. one-to-many c. many-to-one d. many-to-many Q8. Referential……..dictates that the foreign key must contain values that match the primary key in the related table, or must contain null. a. integrity b. uniqueness c. model d. attribute Q9. The …….. relationship is the “relational model ideal.” a. 1:1 b. 1:M c. M:1 d. M:N Q10. Information about tables in the database is kept: a. in the system catalog b. in each table in the database c. in each row of each table in the database d. in an external file
Database Systems: Design, Implementation, & Management
11th Edition
ISBN:9781285196145
Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Chapter3: The Relational Database Model
Section: Chapter Questions
Problem 7RQ: A database user manually notes that The file contains two hundred records, each record containing...
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Q1.) An integrity constraint is a rule that:
a. is kept in an external file
b. must be followed by data in the database
c. can be accessed by authorized users
d. can unintentionally be accessed by unauthorized users
Q2. __ is a property that lets you change the structure of the database without requiring you to change the programs that access the database.
a. Database design
b. Data independence
c. Integrity constraint
d. Data dependence
Q3. The basic form of an SQL retrieval command is:
a. SELECT-WHERE-FROM
b. CREATE-SELECT-FROM
c. SELECT-WHERE
d. SELECT-FROM-WHERE
Q4. Which of the following queries will list the number, name, credit limit, and balance for all customers with credit limits that exceed their balances.
a. SELECT CustomerNum, CustomerName FROM Customer WHERE CreditLimit>Balance ;
b. SELECT CustomerNum, CustomerName, CreditLimit, Balance FROM Customer WHERE CreditLimit>Balance ;
c. SELECT CustomerNum, CustomerName, Balance FROM Customer WHERE CreditLimit>Balance
d. SELECT CustomerNum, CustomerName, CreditLimit, Balance FROM Customer ;
Q5. The response of the DBMS to a query is the.
a. ad hoc query
b. ad hoc response
c. query result set
d. integrated view of the data
Q6. Which of the following queries will list the descriptions of all parts that are located in warehouse 3 or for which there are more than 20 units on hand, or both.
a. SELECT Description FROM Customer WHERE Warehouse=’AND OnHand>20 ;
b. SELECT Description FROM Part WHERE Warehouse=’3’ OR OnHand>20 ;
c. SELECT Description FROM Part WHERE Warehouse=’3’ ;
d. SELECT Description FROM Part WHERE OnHand>20 ;
Q7. Students and classes have a……. relationship.
a. one-to-one
b. one-to-many
c. many-to-one
d. many-to-many
Q8. Referential……..dictates that the foreign key must contain values that match the primary key in the related table, or must contain null.
a. integrity
b. uniqueness
c. model
d. attribute
Q9. The …….. relationship is the “relational model ideal.”
a. 1:1
b. 1:M
c. M:1
d. M:N
Q10. Information about tables in the database is kept:
a. in the system catalog
b. in each table in the database
c. in each row of each table in the database
d. in an external file
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