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b. the size of the disk storage device
c. who owns or is responsible for the data
d. how the data is used
e. security and privacy limitations
6. Which two files are used during operation of the DBMS?
a. query language and utilities
b. data manipulation language and query language
c. data dictionary and transaction log
d. data dictionary and query language
e. all of the above
7. Which of the following is a serious problem of file management systems?
a. difficult to update
b. lack of data independence
c. data redundancy
d. program dependence
e. all of the above
8. Which of the following contains a complete record of all activity that
affected the contents of a database during a certain period of time?
a. report writer
b. query language
c. data manipulation language
d. transaction log
e. none of the above
4. Write a Russian translation for the part of the text in bold type.
5. Write answers to the questions:
1. What is query language and why is it a valuable aspect of DBMS software?
2. Why is it important to administrate a company database?
3. Why is it relevant for users to understand the fundamentals of database
management systems?
4. Why do you think microcomputer users are more likely than mainframe
users to be involved with the design of a database?
5. What is a database management system?
6. What are the main disadvantages of database management systems?
7. What are the differences between the logical and the physical designs of a
database structure?
8. What are data dictionaries and transaction logs? What are their uses?
b. the size of the disk storage device
c. who owns or is responsible for the data
d. how the data is used
e. security and privacy limitations
6. Which two files are used during operation of the DBMS?
a. query language and utilities
b. data manipulation language and query language
c. data dictionary and transaction log
d. data dictionary and query language
e. all of the above
7. Which of the following is a serious problem of file management systems?
a. difficult to update
b. lack of data independence
c. data redundancy
d. program dependence
e. all of the above
8. Which of the following contains a complete record of all activity that
affected the contents of a database during a certain period of time?
a. report writer
b. query language
c. data manipulation language
d. transaction log
e. none of the above
4. Write a Russian translation for the part of the text in bold type.
5. Write answers to the questions:
1. What is query language and why is it a valuable aspect of DBMS software?
2. Why is it important to administrate a company database?
3. Why is it relevant for users to understand the fundamentals of database
management systems?
4. Why do you think microcomputer users are more likely than mainframe
users to be involved with the design of a database?
5. What is a database management system?
6. What are the main disadvantages of database management systems?
7. What are the differences between the logical and the physical designs of a
database structure?
8. What are data dictionaries and transaction logs? What are their uses?
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