Đề Thi FE DBI202 - SU26 - FE - RE

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SU2026

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7/8/26

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FE

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DBI202_SU26_RE_275265

DBI202_SU26_RE_275265

DBI202 Multiple Choice Questions​

This document contains a series of multiple choice questions related to database systems, specifically covering topics such as network data models, definitions of information and databases, and query compiler components. Each question includes four choices, designed to test fundamental database knowledge.

DBI202 Multiple Choice Questions​

DBI202_SU26_RE_275265 | Multiple Choice

Question 1

(Choose 1 answer)

What are the disadvantages of network data model?

A. Not support the high-level query language
B. Not support the relationships between nodes
C. Not support the database management system
D. Not support the storage method of very large amounts of data

DBI202_SU26_RE_275265 | Multiple Choice

Question 2

(Choose 1 answer)

What is information?

A. A collection of unprocessed data
B. A collection of processed data
C. A collection of processed information
D. A collection of unprocessed information

DBI202_SU26_RE_275265 | Multiple Choice

Question 3

(Choose 1 answer)

In query compiler, which unit builds a tree structure from the text form of the query?

A. A query parser
B. A query preprocessor
C. A query optimizer
D. A query processor

DBI202_SU26_RE_275265 | Multiple Choice

Question 4

(Choose 1 answer)

Which of the following is the appropriate characteristic of a database?

A. Because a database is created to suit the format of the data, it cannot respond flexibly to data format changes.
B. The procedure for making backups is complicated.
C. It is difficult to share data between operations due to an exclusive control function.
D. It can be accessed by multiple users at the same time due to an exclusive control function.

DBI202_SU26_RE_275265 | Multiple Choice

Question 5

(Choose 1 answer)

In query compiler, which unit transforms the initial query plan into the best available sequence of operations on the actual data?

A. A query parser
B. A query preprocessor
C. A query optimizer
D. A query processor