Question 1

The ____ rule requires that all copies of data fragments be identical.

Accepted Answer

A)  shared fragment 
B)  mutual consistency 
C)  horizontal fragmentation 
D)  replication 
A)  shared fragment 
B)  mutual consistency 
C)  horizontal fragmentation 
D)  replication

Question 2

Distributed processing does not require a distributed database, and a distributed database does not require distributed processing.

Accepted Answer

A) True 
 B)False

Question 3

Current DDBMSs are subject to some problems, such as the complexity of management and control.

Accepted Answer

A) True 
 B)False

Question 4

The ____ guarantees that if a portion of a transaction operation cannot be committed, all changes made at the other sites participating in the transaction will be undone to maintain a consistent database state.

Accepted Answer

A)  DO-UNDO-REDO protocol 
B)  two-phase commit protocol (2P
C)  
C)  coordinator protocol 
D)  write-ahead protocol 
A)  DO-UNDO-REDO protocol 
B)  two-phase commit protocol (2P
C)  
C)  coordinator protocol 
D)  write-ahead protocol

Question 5

Distributed database systems do not require complex mechanisms to manage transactions and ensure the database's consistency and integrity.

Accepted Answer

A) True 
 B)False

Question 6

The ____________________ commit protocol guarantees that if a portion of a transaction operation cannot be committed, all changes made at the other sites participating in the transaction will be undone to maintain a consistent database state.

Accepted Answer

The answer of The ____________________ commit protocol guarantees that if...

Question 7

A transaction processor is the software component residing on each computer that stores and retrieves data located at the site.

Accepted Answer

A) True 
 B)False

Question 8

One of the advantages of a DDBMS is security.

Accepted Answer

A) True 
 B)False

Question 9

Explain the difference between homogeneous and heterogeneous distributed database systems.

Accepted Answer

Homogeneous DDBMSs integrate multiple in

Question 10

The DO-UNDO-REDO protocol defines three types of operations. What are they?

Accepted Answer

DO performs the operation and records th

The ____ rule requires that all copies of data fragments be identical.

Distributed processing does not require a distributed database, and a distributed database does not require distributed processing.

Current DDBMSs are subject to some problems, such as the complexity of management and control.

The ____ guarantees that if a portion of a transaction operation cannot be committed, all changes made at the other sites participating in the transaction will be undone to maintain a consistent database state.

Distributed database systems do not require complex mechanisms to manage transactions and ensure the database's consistency and integrity.

The ____________________ commit protocol guarantees that if a portion of a transaction operation cannot be committed, all changes made at the other sites participating in the transaction will be undone to maintain a consistent database state.

A transaction processor is the software component residing on each computer that stores and retrieves data located at the site.

One of the advantages of a DDBMS is security.

Explain the difference between homogeneous and heterogeneous distributed database systems.

The DO-UNDO-REDO protocol defines three types of operations. What are they?

The Database Approach

Database Development Process

Data Models

Relational Model Characteristics

Beginning Structured Query Language Sql

Procedural Language Sql and Advanced Sql

Data Modeling With Entity Relationship Diagrams

Data Modeling Advanced Concepts

Normalizing Database Designs

Interacting With Databases Through the Web

Database Administration and Security

Managing Transactions and Concurrency

Managing Database and Sql Performance

Databases for Decision Support

Filters

Exam 10: Distributed Databases

The ____ rule requires that all copies of data fragments be identical.

Distributed processing does not require a distributed database, and a distributed database does not require distributed processing.

Current DDBMSs are subject to some problems, such as the complexity of management and control.

The ____ guarantees that if a portion of a transaction operation cannot be committed, all changes made at the other sites participating in the transaction will be undone to maintain a consistent database state.

Distributed database systems do not require complex mechanisms to manage transactions and ensure the database's consistency and integrity.

The ____________________ commit protocol guarantees that if a portion of a transaction operation cannot be committed, all changes made at the other sites participating in the transaction will be undone to maintain a consistent database state.

A transaction processor is the software component residing on each computer that stores and retrieves data located at the site.

One of the advantages of a DDBMS is security.

Explain the difference between homogeneous and heterogeneous distributed database systems.

The DO-UNDO-REDO protocol defines three types of operations. What are they?

The Database Approach

Database Development Process

Data Models

Relational Model Characteristics

Beginning Structured Query Language Sql

Procedural Language Sql and Advanced Sql

Data Modeling With Entity Relationship Diagrams

Data Modeling Advanced Concepts

Normalizing Database Designs

Interacting With Databases Through the Web

Database Administration and Security

Managing Transactions and Concurrency

Managing Database and Sql Performance

Databases for Decision Support

Filters