Question 1

On a client/server network,the server is a computer that provides data to the clients.​

Accepted Answer

A) True 
 B)False

Question 2

​On a class diagram,a(n)____________________ symbol precedes each attribute.

Accepted Answer

The answer of ​On a class diagram,a(n)____________________ symbol precedes each...

Question 3

In a DDBMS,the site where the user is located is called the remote site.​

Accepted Answer

A) True 
 B)False

Question 4

​____ implies that users should not need to be concerned with the location of any specific data in the database.

Accepted Answer

A)  ​Fragmentation transparency 
B)  ​Replication transparency 
C)  ​Location transparency 
D)  ​Distributed query processing

Question 5

The site that initiates the update in a two-phase commit is known as the ____.​

Accepted Answer

A)  ​director 
B)  ​initiator 
C)  ​coordinator 
D)  ​leader

Question 6

When users are unaware of the steps taken by the DDBMS to update the various copies of data,this characteristic of the DDBMS is called ____.​

Accepted Answer

A)  ​location transparency 
B)  ​fragmentation transparency 
C)  ​replication transparency 
D)  ​location site license

Question 7

____ implies that the performance of functions such as adding sites,changing versions of DBMSs,creating backups,and modifying hardware should not require planned shutdowns of the entire distributed database.​

Accepted Answer

A)  ​Continuous operation 
B)  ​Local autonomy 
C)  ​Location transparency 
D)  ​Fragmentation transparency

Question 8

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

Accepted Answer

A)  ​object-oriented 
B)  ​relational 
C)  ​parallel 
D)  ​simple

Question 9

Methods are defined during the ___________________ process.​

Accepted Answer

The answer of Methods are defined during the ___________________ process.​...

Question 10

The ____________________ symbol in a class diagram indicates whether other classes can view or update the value in the attribute.​

Accepted Answer

The answer of The ____________________ symbol in a class diagram...

Question 11

When users interact with an RDBMS,they use transactions.These types of systems are called ____ systems.​

Accepted Answer

A)  ​OLTP 
B)  ​ODBMS 
C)  ​OLAP 
D)  ​ODBC

Question 12

The formula for message transmission time is: communication time = access delay + (data volume / X),where X represents ____.​

Accepted Answer

A)  ​transmission rate 
B)  ​length of transmission 
C)  ​lag time 
D)  ​seek time

Question 13

With respect to the definition of data warehouse,____ means that the data is read-only.​

Accepted Answer

A)  ​time-variant 
B)  ​integrated 
C)  ​nonvolatile 
D)  ​subject-oriented

Question 14

If one class is a subclass of a second class,the second class is called a(n)____________________ of the first class.​

Accepted Answer

The answer of If one class is a subclass of...

Question 15

A global deadlock occurs at a single site in a distributed database.​

Accepted Answer

A) True 
 B)False

Exam 9: Database Management Approaches

On a client/server network,the server is a computer that provides data to the clients.

On a class diagram,a(n)____________________ symbol precedes each attribute.

In a DDBMS,the site where the user is located is called the remote site.

____ implies that users should not need to be concerned with the location of any specific data in the database.

The site that initiates the update in a two-phase commit is known as the ____.

When users are unaware of the steps taken by the DDBMS to update the various copies of data,this characteristic of the DDBMS is called ____.

____ implies that the performance of functions such as adding sites,changing versions of DBMSs,creating backups,and modifying hardware should not require planned shutdowns of the entire distributed database.

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

Methods are defined during the ___________________ process.

The ____________________ symbol in a class diagram indicates whether other classes can view or update the value in the attribute.

When users interact with an RDBMS,they use transactions.These types of systems are called ____ systems.

The formula for message transmission time is: communication time = access delay + (data volume / X) ,where X represents ____.

With respect to the definition of data warehouse,____ means that the data is read-only.

If one class is a subclass of a second class,the second class is called a(n)____________________ of the first class.

A global deadlock occurs at a single site in a distributed database.

Exam 9: Database Management Approaches

On a client/server network,the server is a computer that provides data to the clients.​

​On a class diagram,a(n)____________________ symbol precedes each attribute.

In a DDBMS,the site where the user is located is called the remote site.​

​____ implies that users should not need to be concerned with the location of any specific data in the database.

The site that initiates the update in a two-phase commit is known as the ____.​

When users are unaware of the steps taken by the DDBMS to update the various copies of data,this characteristic of the DDBMS is called ____.​

____ implies that the performance of functions such as adding sites,changing versions of DBMSs,creating backups,and modifying hardware should not require planned shutdowns of the entire distributed database.​

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

Methods are defined during the ___________________ process.​

The ____________________ symbol in a class diagram indicates whether other classes can view or update the value in the attribute.​

When users interact with an RDBMS,they use transactions.These types of systems are called ____ systems.​

The formula for message transmission time is: communication time = access delay + (data volume / X) ,where X represents ____.​

With respect to the definition of data warehouse,____ means that the data is read-only.​

If one class is a subclass of a second class,the second class is called a(n)____________________ of the first class.​

A global deadlock occurs at a single site in a distributed database.​

On a client/server network,the server is a computer that provides data to the clients.

On a class diagram,a(n)____________________ symbol precedes each attribute.

In a DDBMS,the site where the user is located is called the remote site.

____ implies that users should not need to be concerned with the location of any specific data in the database.

The site that initiates the update in a two-phase commit is known as the ____.

When users are unaware of the steps taken by the DDBMS to update the various copies of data,this characteristic of the DDBMS is called ____.

____ implies that the performance of functions such as adding sites,changing versions of DBMSs,creating backups,and modifying hardware should not require planned shutdowns of the entire distributed database.

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

Methods are defined during the ___________________ process.

The ____________________ symbol in a class diagram indicates whether other classes can view or update the value in the attribute.

When users interact with an RDBMS,they use transactions.These types of systems are called ____ systems.

The formula for message transmission time is: communication time = access delay + (data volume / X) ,where X represents ____.

With respect to the definition of data warehouse,____ means that the data is read-only.

If one class is a subclass of a second class,the second class is called a(n)____________________ of the first class.

A global deadlock occurs at a single site in a distributed database.