DBMS
DBMS Knowledge Quiz
Test your understanding of Database Management Systems with our comprehensive quiz. Challenge yourself with 10 multiple-choice questions that cover key concepts such as SQL commands, data integrity, and database design.
Whether you're a student or a professional, this quiz is a great way to reinforce your knowledge and evaluate your skills.
- 10 Engaging Questions
- Multiple Choice Format
- Immediate Feedback on Answers
1. How can a SQL developer add a key on a table?
A) While creating a table
B) With Alter table command
C) With SQL server Properties window
D) All of the Mentioned
2. Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that:
A) A -> B
B) A -> C
C) A -> (B,C)
D) (B,C) -> A
3. Which of the following is the process of selecting the data storage and data access characteristics of the database?
A) Logical database design
B) Physical database design
C) Testing and performance tuning
D) Evaluation and selecting
4. Every constraint on the table is a logical consequence of the table’s
A) Fourth normal form
B) Fifth normal form
C) Domain/key normal form
D) None of the Mentioned
5. Which of the SQL statements is correct?
A) SELECT Username AND Password FROM Users
B) SELECT Username, Password FROM Users
C) SELECT Username, Password WHERE Username = ‘user1’
D) None of the Mentioned
6. In SQL, which command is used to add new rows to a table?
A) Alter Table
B) Add row
C) Insert
D) Append
7. DCL Provides Commands To Perform Actions Like _____________
A) Change The Structure Of Tables
B) Insert, Update Or Delete Records And Data Values
C) Authorizing Access And Other Control Over Database
D) None of the Mentioned
8. Which of the following statements concerning business rules is true?
A) It may include restrictions
B) It should not be convertible to computer code
C) It should be complex
D) All of the Mentioned
9. Which of the following statements is not correct?
A) The primary key must be unique for a given table
B) Specifying a zero (0) for the lower bound for the association multiplicity on a class diagram indicates that the item is required
C) Specifying a one (1) for the lower bound for the association multiplicity on a class diagram indicates that the item is required
D) Most databases allow multiple records that are identical
10. To obtain the structure of an Oracle table, the command to use is:
A) STRUCTURE [TableName].
B) DESCRIBE [TableName].
C) DESCRIBE STRUCTURE [TableName].
D) DESC TABLE [TableName].
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