Họ và tên thí sinh: ………………………………………………………
Số báo danh: ……………………………………………………………
A. Because of the use of complex algorithms
B. Because of the use of passwords and user restrictions
C. Because of the physical security of the computer
D. Because of the use of paper and pen
A. To store data
B. To manipulate data
C. To retrieve data
D. All of the above
A. Hierarchical DBMS
B. Network DBMS
C. Relational DBMS
D. Cathedral DBMS
A. Database Administrator
B. Database Management System
C. Data Dictionary
D. Data Model
A. Integration
B. Integrity
C. Index
D. Information
A. Data storage
B. Data manipulation
C. Data security
D. Data transformation
A. Increased efficiency
B. Complexity
C. Improved data sharing
D. Improved data security
A. Data Query Language (DQL)
B. Data Control Language (DCL)
C. Data Manipulation Language (DML)
D. All of the above
A. Storing the same data in more than one place
B. Storing data in a secure location
C. Storing data in a cloud-based system
D. Storing data in a relational database
A. Data redundancy
B. Data consistency
C. Data complexity
D. Data repetition
A. Structured Query Language
B. Sequential Query Language
C. Simple Query Language
D. Standard Query Language
A. EXTRACT
B. GET
C. SELECT
D. PULL
A. Data storage
B. Data backup
C. Data redundancy
D. Data transformation
A. To uniquely identify a record
B. To sort data
C. To protect data
D. To link records
A. Data stored in tables
B. Data redundancy
C. Data relationships
D. Data integrity
ĐÁP ÁN
Câu 1: B
Gợi ý:
Think about the features of a computer database system
Câu 2: D
Gợi ý:
DBMS is used for more than just storing data
Câu 3: D
Gợi ý:
The answer is a term that does not belong to the DBMS types
Câu 4: B
Gợi ý:
It's a system, not a person or a concept
Câu 5: B
Gợi ý:
ACID stands for Atomicity, Consistency, Isolation, Durability
Câu 6: D
Gợi ý:
Think about what a DBMS is not responsible for
Câu 7: B
Gợi ý:
A disadvantage would be a negative aspect
Câu 8: D
Gợi ý:
Think about the types of operations you can perform on a database
Câu 9: A
Gợi ý:
Redundancy refers to repetition or duplication
Câu 10: B
Gợi ý:
The main advantage is related to the consistency of data
Câu 11: A
Gợi ý:
SQL is a standard language for managing data in databases
Câu 12: C
Gợi ý:
Think about the most common SQL commands
Câu 13: A
Gợi ý:
Think about the fundamental functions of a database
Câu 14: A
Gợi ý:
The primary key is an important concept in relational databases
Câu 15: B
Gợi ý:
Relational databases aim to minimize data redundancy