Database Administration Practice Exam - 524 Verified Questions

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Database Administration Practice Exam

Course Introduction

Database Administration provides an in-depth exploration of the principles, techniques, and best practices involved in managing and maintaining database systems. The course covers topics such as installation and configuration of database management systems, backup and recovery strategies, performance tuning, security management, user access control, and automation of routines. Students will learn to ensure data integrity, availability, and reliability, while also gaining practical skills in monitoring and troubleshooting database environments. Emphasis is placed on both theoretical concepts and hands-on experience with widely used database platforms to prepare students for real-world administrative roles.

Recommended Textbook

Concepts of Database Management 7th Edition by Philip J. Pratt

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9 Chapters

524 Verified Questions

524 Flashcards

Source URL: https://quizplus.com/study-set/1914

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Chapter 1: Introduction to Database Management

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50 Verified Questions

50 Flashcards

Source URL: https://quizplus.com/quiz/38174

Sample Questions

Q1) In an entity-relationship (E-R) diagram,rectangles represent entities and lines represent relationships between connected entities.

A)True

B)False

Answer: True

Q2) A good DBMS provides integrity constraints,which are features that let you change the structure of the database without changing the programs that access the database. A)True

B)False

Answer: False

Q3) A group of people in charge of a database within an organization is often called the ____________________.

Answer: DBA database administration database administration (DBA) DBA (database administration)

Q4) The problem of inconsistency in data is a direct result of ____________________.

Answer: redundancy

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Chapter 2: The Relational Model 1: Introduction, QBE, and Relational Algebra

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50 Verified Questions

50 Flashcards

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Sample Questions

Q1) A relational database handles entities,attributes,and relationships by storing each entity in its own table.

A)True

B)False

Answer: True

Q2) With ____________________,users ask their questions by entering column names and other criteria using an on-screen grid,and data that appears on the screen in tabular form.

Answer: QBE

Query-By-Example

Q3) A relation is essentially just a two-dimensional table.

A)True

B)False

Answer: True

Q4) A ____ query creates a new table using the query results.

A)make-table

B)new-table

C)create-table

D)merge-table

Answer: A

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Chapter 3: The Relational Model 2: SQL

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74 Verified Questions

74 Flashcards

Source URL: https://quizplus.com/quiz/38176

Sample Questions

Q1) In SQL,you use the SORT BY clause to display results in a desired order.

A)True

B)False

Answer: False

Q2) Discuss the restriction concerning the structure of two tables involved in a union.

Answer: The two tables involved in a union must have the same structure,or be union compatible; in other words,they must have the same number of fields and their corresponding fields must have the same data types. If,for example,the first field in one table contains customer numbers,the first field in the other table also must contain customer numbers.

Q3) You can use the GROUP BY clause and the ORDER BY clause in the same SELECT statement.

A)True

B)False

Answer: True

Q4) Most relational DBMSs use a version of SQL as a data manipulation language.

A)True

B)False

Answer: True

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Chapter 4: The Relational Model 3: Advanced Topics

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50 Verified Questions

50 Flashcards

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Sample Questions

Q1) A stored procedure is placed on a client computer.

A)True

B)False

Q2) The following command will enable Jones to retrieve data from the Customer table,but not to take any other action: GRANT SELECT ON Customer TO Jones ;

A)True

B)False

Q3) The semicolon at the end of a MySQL command is called a(n)

Q4) Which of the following statement fragments will only allow a CreditLimit of $7,500,$10,000,or $15,000?

A)(CreditLimit IN (7500,10000,15000))

B)CHECK ((7500,10000,15000))

C)CHECK (CreditLimit LIKE (7500,10000,15000))

D)CHECK (CreditLimit IN (7500,10000,15000))

Q5) The following command will revoke the ability to retrieve Customer records from user Jones:

REVOKE GRANT ON Customer FROM Jones ; A)True

B)False

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Chapter 5: Database Design 1: Normalization

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Sample Questions

Q1) What is the difference between a table in second normal form and one in third normal form?

Q2) A column is a nonkey attribute when it is not part of the primary key.

A)True

B)False

Q3) By splitting relations to achieve third normal form tables,you create the need to express interrelation constraints.

A)True

B)False

Q4) By splitting relations to achieve third normal form tables,you create the need to express a(n) ____________________ constraint,a condition that involves two or more relations.

Q5) Any column or collection of columns that determines another column is called a(n) ____________________.

Q6) Converting to third normal form always avoids the problems related to dependencies.

A)True

B)False

Q7) Describe the procedure for converting a table to the third normal form.

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Chapter 6: Database Design 2: Design Method

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75 Verified Questions

75 Flashcards

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Sample Questions

Q1) A weak entity corresponds to the term ____________________.

Q2) A column that you create for an entity to serve solely as the primary key and that is visible to users is called a(n) ____.

A)synthetic key

B)surrogate key

C)artificial key

D)natural key

Q3) In IDEF1X,the ____ is the symbol for category.

A)square

B)rectangle

C)diamond

D)circle

Q4) Foreign keys allow you to create relationships among tables and enforce certain types of ____________________ constraints in a database.

Q5) What type of information should be included on a survey form in order for it to be considered valuable to the design process?

Q6) ____________________ refers to the number of items that must be included in a relationship.

Q7) On an E-R diagram,____________________ entities have rounded corners.

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Chapter 7: Dbms Functions

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50 Verified Questions

50 Flashcards

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Sample Questions

Q1) ____ integrity implies that the value entered for any field should be consistent with the data type for that field.

A)Data type

B)Legal value

C)Format

D)Secondary

Q2) ____ identify users by physical characteristics such as fingerprints,voiceprints,handwritten signatures,and facial characteristics.

A)Passwords

B)Visualizations

C)Econometrics

D)Biometrics

Q3) After a DBMS detects a deadlock,the ____ should break the deadlock.

A)first user

B)second user

C)database administrator

D)DBMS

Q4) A user's ____________________ specify what kind of access the user has to objects in the database.

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Chapter 8: Database Administration

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50 Verified Questions

50 Flashcards

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Sample Questions

Q1) Changing the database design to improve the performance is called ____ the design.

A)tending

B)focusing

C)tuning

D)modifying

Q2) After the DBMS is purchased,the ____ has primary responsibility for installation and maintenance.

A)IT manager

B)DBA

C)CEO

D)user

Q3) What can the DBA do if the organization has no additional money for its production system but needs further performance improvements?

Q4) ____________________ is the prevention of unauthorized access,either intentional or accidental,to a database.

Q5) The DBA uses views and the SQL ____________________ statement as two security mechanisms.

Q6) The ____________________ strictly controls the production system.

Page 10

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Chapter 9: Database Management Approaches

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75 Verified Questions

75 Flashcards

Source URL: https://quizplus.com/quiz/38182

Sample Questions

Q1) A DDBMS that has at least two sites at which the local DBMSs are different is known as a ____.

A)homogeneous DDBMS

B)heterogeneous DDBMS

C)holistic DDBMS

D)heuristic DDBMS

Q2) On a class diagram,the lines joining the classes represent the relationships and are called ____________________.

Q3) A(n) ____ consists of rows that contain consolidated and summarized data.

A)class

B)data model

C)fact table

D)object

Q4) In ____ systems,you create actions as part of data manipulation rather than as part of the data definition.

A)object-oriented

B)relational

C)parallel

D)simple

Q5) What are the advantages of distributed databases?

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