Which constraint ensures that the data in a view cannot be changed?
A - WITH CHECK OPTION
B - WITH READ OPTION
C - WITH READ ONLY
D - NO WRITE OPTION

Answers

Answer 1

The constraint that ensures that the data in a view cannot be changed is the "WITH READ ONLY" constraint.

What is a view in SQL?

A view is an on-disk database object that can be used to store a pre-defined SQL query that other SQL commands can reference. A view is built as a query, which is a SELECT statement that the database stores in memory. Views are stored queries that have been assigned names and are maintained in the database as persistent objects, even though they are not part of the physical schema. Views are read-only and cannot be used to insert, update, or delete data in the table to which they are linked. Views, on the other hand, can be used to simplify queries and encapsulate complex query logic.

The SQL database is used to execute the query whenever the view is accessed or queried. As a result, the view's data is a representation of the underlying data rather than the underlying data itself. The view's data is updated whenever the underlying data is updated, and the view's data is not stored separately.

The WITH READ ONLY constraint ensures that the data in a view cannot be changed. The user can only read data from a view with this constraint. As a result, data cannot be inserted, updated, or deleted in the view. Therefore, option C, i.e., WITH READ ONLY is the correct answer.

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Related Questions

Which do you think is more important: Motorized vehicles like cars and airplanes or computers?

Answers

Answer:

I think computers are more important

Explanation:

The average person drives a vehicle to work to go and work on a computer.

Write a loop that continually asks the user what pets the user has until the user enters stop, in which case the loop ends. It should acknowledge the user in the following format. For the first pet, it should say You have one cat. Total # of Pets: 1 if they enter cat, and so on.

Sample Run
What pet do you have? lemur
What pet do you have? parrot
What pet do you have? cat
What pet do you have? stop
Sample Output
What pet do you have? lemur
You have one lemur. Total # of Pets: 1
What pet do you have? parrot
You have one parrot. Total # of Pets: 2
What pet do you have? cat
You have one cat. Total # of Pets: 3
What pet do you have? stop

Answers

The loop that continually asks the user what pets the user has until the user enters stop is written below.

What is a loop?

As long as the condition is met, a for loop in Python is a control flow statement that is used to continually execute a set of instructions.

'''

# count of pets

count = 0

# read the user input

pet = input()

# loop that continues till the user enters rock

# strip is used to remove the whitespace

while pet.strip() != 'rock':

 # increment the count of pets

 count += 1

 # output the pet name and number of pets read till now

 print('You have a %s with a total of %d pet(s)' %(pet.strip(),count))

 pet = input() # input the next pet

#end of program

Therefore, the loop is written above.

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when writing the code for a rule and a non-terminal symbol appears in that right hand side, a call to the method written for that non-terminal symbol appears in that place in the code?

Answers

Yes, when writing the code for a rule and a non-terminal symbol appears in the right-hand side, you should call the method written for that non-terminal symbol in that place in the code.

1. Identify the non-terminal symbol in the right-hand side of the rule.
2. Locate the method written for that non-terminal symbol.
3. Insert a call to that method in the place where the non-terminal symbol appears in the code.

This process ensures that the rule correctly handles the non-terminal symbol and follows the grammar of the language being parsed.

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cache memory improves performance by improving memory __________ while virtual memory improves performance by increasing memory _____________.

Answers

Cache memory improves performance by improving memory access time, while virtual memory improves performance by increasing memory address space.

Since cache memory is located on the same chip as the processor, it has a faster access time than RAM and stores frequently used instructions and data that the processor may need later.

This lessens the need for frequent, slower main memory retrievals, which could otherwise cause the CPU to wait. By moving data that hasn't been utilized recently to a storage device, like a hard drive or solid-state drive, virtual memory frees up RAM (SSD). The use of virtual memory can enhance system performance and multitasking. The necessity for frequent, slower main memory retrievals, which normally may make the CPU wait, is reduced as a result. and utilizing complex programs.

Virtual memory boosts memory use, promotes process security, and improves programmer productivity. Virtual memory requires an address translation from the virtual to the physical address space on each memory operation in order to offer these advantages.

Physical memory is divided into fixed-size pages in page-based virtual memory systems, and a per-process page table is used to map virtual pages to physical pages.

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what is the minimum time needed to distribute the file from server to 6 peers using client-server model.

Answers

The minimum time needed to distribute a file from a server to 6 peers using a client-server model is determined by the slowest network connection between the server and the peers.

The minimum time required to distribute a file from a server to 6 peers using a client-server model depends on the size of the file and the speed of the network connection.

Assuming all network connections have the same speed, the minimum time can be calculated as the file size divided by the network speed multiplied by the number of peers:

Time = File size / (Network speed * Number of peers)

For example, if the file size is 1 GB and the network speed is 100 Mbps, the minimum time required to distribute the file to 6 peers would be:

Time = 1 GB / (100 Mbps * 6) = 27 seconds.

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Check the peripherals that are needed to hear music on your computer.

Check the peripherals that are needed to hear music on your computer.

Answers

Answer:

speaker and sound card

edge 2021

What are the 4 powers of the executive?

Answers

Bills are signed and vetoed. represent our country in negotiations with other nations. enforce the legislation passed by Congress. serve as the war's commander-in-chief are powers of the executive.

It is up to the executive arm of government to run a state and enforce the law. Political systems based on the concept of separation of powers distribute authority among multiple branches in order to prevent the concentration of power in the hands of a single group of people. Under such a system, the executive does not enact or interpret laws. Instead, the executive implements the law as it was crafted by the legislative branch and decided upon by the judicial system. For instance, the executive may have issued a decree or executive order. Typically, regulations are created by executive bureaucracies.

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Marking brainlyest look at the picture

Marking brainlyest look at the picture

Answers

I’m pretty sure the answer is C.

Sarah has to add a picture from her computer file and add a caption to it. Arrange the steps in a correct sequence.
click From File
click Insert
right-click the picture
click Picture
select the desired picture and again click Insert
write the caption and add it
click Insert Caption











Answers

Answer:

-Click insert

-Click picture

-Click from file

-Right click the picture

-Select the desired picture and again click Insert

-Click insert caption

-Write the caption and add it

Explanation:

Answer:

B: by right-clicking the bottom row, clicking Insert, then clicking Insert Row Below

Explanation:

The _____ function is used to acquire data from the user.
Display()
Input()
Print()

Answers

Answer:

The input() function is used to acquire data from the user.

Explanation:

We will explain the purpose of each function one by one.

display() and print() functions are output functions that are used to display outputs in python.

Acquiring data from user means that the user has to give some data as input.

Python provides the input() function with a prompt of string to display a message to take input from user.

Hence,

The input() function is used to acquire data from the user.

Answer:

A. input()

Explanation:

I took the quiz

TCP keeps track of the segments of an e-mail message by placing _________ at the front of each piece

Answers

TCP keeps track of the segments of an e-mail message by placing sequence numbers at the front of each piece.

When TCP divides a large email message into smaller segments, it assigns a unique sequence number to each segment. These sequence numbers allow the recipient's TCP protocol to rearrange the segments in the correct order and reassemble the original message. The sequence number is placed at the beginning of each segment's header, and it is used in conjunction with other header fields like acknowledgement numbers and checksums to ensure that the data is delivered correctly and in order. By using sequence numbers, TCP can guarantee reliable and ordered transmission of data over an unreliable network like the internet.

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A user with "edit" permissions at the Account level will automatically have "edit" permissions at which other levels?

Answers

Answer:

Property and View.

Explanation:

An access control can be defined as a security technique use for determining whether an individual has the minimum requirements or credentials to access or view resources on a computer by ensuring that they are who they claim to be.

Simply stated, access control is the process of verifying the identity of an individual or electronic device. Authentication work based on the principle (framework) of matching an incoming request from a user or electronic device to a set of uniquely defined credentials.

Basically, authentication and authorization is used in access control, to ensure a user is truly who he or she claims to be, as well as confirm that an electronic device is valid through the process of verification. Thus, an access control list primarily is composed of a set of permissions and operations associated with a NTFS file such as full control, read only, write, read and execute and modify.

Hence, a user with "edit" permissions at the Account level will automatically have "edit" permissions at the Property and View levels.

A tornado destroyed many
CORRECT ANSWER GETS BRAINLIEST PLEASE HELP !
structures in a small Texas
town. Which type of engineer should be called in to collect
evidence in order to prevent this level of damage in the future?
A.chemical engineer
B.biomedical engineer
C.materials engineer
D.forensic engineer

Answers

Answer:

D is your answer because I'm an expert

Answer:

D. forensic engineer

Explanation:

Because I know the answer I got it right

_is a computer network created for an individual person

Answers

Answer:

Personal area network

Explanation:

is correct 100% sure

Mobile device apps that enable users to pay for things or check-in to hotels or venues use _________ technology. Select one: a. GPS b. GIS c. TCP/IP d. NFC

Answers

Answer:

ip

vgfjffffffffvfdxx

Explanation:

fsxqwvetsgsrwfuxhsrwctsdqccdhvxrsbx7shgxfrxvshxrc

Why do companies collect information about consumers? A. Because they want to meet new friends on social networks B. Because they take consumers' best interests to heart C. Because they want to effectively advertise to consumers D. Because they are looking for good employees to hire​

Answers

Answer:

C. Because they want to effectively advertise to consumers.

Explanation:

Companies collect info for more accurate advertisements, which are designed to make people interact with them more commonly.

Each webpage is assigned a(n) ________, an address that identifies the location of the page on the internet.

Answers

Each webpage is assigned a uniform resource locator (URL), an address that identifies the location of the page on the internet.

What is assigned to a webpage to identify its location?

A URL (Uniform Resource Locator) is known to be a kind of a special form of identifier that is known to be used a lot to be able to find a resource on the Internet. It is known to be a term that is often called the web address.

Note that all  webpage is assigned this address that identifies the place  of the page on the Internet and a such, Each webpage is assigned a uniform resource locator (URL), an address that identifies the location of the page on the internet.

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Please help, thanks! (simple question) I'm doing a project and need to ask two people what they think is the highest contributor to global warming. my phone is dead. What do you think is one of the greatest contributors to global warming? I have to make an app about the two things.

Answers

What I think the highest is carbon dioxide . Because we use a lot of CO2 in every single day . So image that for 365 . We use a lot of carbon dioxide . In which that is ruining our earth

Possible anxieties and worries that employees and workers would have when parts of a business is being automated using an ERP system

Answers

A form of software known as enterprise resource planning (ERP) is used by enterprises to manage routine business operations including accounting, purchasing, project management.

Companies employ Enterprise Resource Planning (ERP) software solutions to manage, adapt, and automate labor-intensive everyday operations of the organisation. This comprises requirements for company, including financial management. people resources. project administration.Business cloud backup works by transferring and storing the contents on your server to a server in a different physical location. Depending on choice, a firm can backup some or all server files.SAP is a company that develops software and offers ERP software products on the market. The ERP is a technology used to manage company processes in a number of different sectors. ERP uses a variety of modules to handle all internal business procedures.

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_____ includes the technologies used to support virtual communities and the sharing of content. 1. social media 2.streaming 3. game-based learning

Answers

Answer: it’s A, social media

Explanation:

Social media are interactive digital channels that enable the production and exchange of information. The correct option is 1.

What is Social Media?

Social media are interactive digital channels that enable the production and exchange of information, ideas, hobbies, and other kinds of expression via virtual communities and networks.

Social media includes the technologies used to support virtual communities and the sharing of content.

Hence, the correct option is 1.

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What are the rigid transformations that will map ABC?

Answers

Vertex A is translated to vertex D, after which ABC is reflected across the line containing AC. To align the sides and angles, translate vertex B to vertex D, then rotate ABC about point B.

"Rigid transformations" include reflections, translations, rotations, and combinations of these three transformations. Exists a rigid transformation series that maps QRS to ABC? Which transformations might be applied in the case? No, despite the fact that QRS and ABC are congruent, a series of stiff transformations cannot map QRS to ABC. However, only if BC > DC. The SSS theorem states that Triangle DEF and TriangleD'EF' are equivalent. y-axis is the only transformation that translates ABC onto A" B" C". Triangle ABC becomes triangle EFD by rotating it 45 degrees around point X. Reflections, rotations, and translations are the three fundamental rigid transformations.

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Suppose we applied a transposition cipher to the following sequence of bits, which is the 7-bit ASCII encoding of my first name ( ANDY). Which of the following is the only sequence of bits that could possibly have been the result of this transposition?
a.1011000100001100010010010001
b. 01010101010101001010100101001
c. 01000110101010010101100101
d. 0001100100100010110110010100
e. 0001000010100100011111001011

Answers

The correct answer is: C (01000110101010010101100101) which could possibly be the result of transposition cipher applied to the 7-bit ASCII encoding of "ANDY".


A transposition cipher is a type of encryption where the positions of the letters or characters in the message are rearranged. In this case, we are given a sequence of bits which represents the 7-bit ASCII encoding of "ANDY".
01000001 (A)
01001110 (N)
01000100 (D)
01011001 (Y)


In a transposition cipher, the order of the characters is rearranged while keeping their values unchanged. First, we need to find the 7-bit ASCII encoding of ANDY:
A - 1000001
N - 1001110
D - 1000100
Y - 1011001
Concatenating these values, we get 1000001100111010001001011001. Now, we must find which of the given options is a rearrangement (transposition) of this original sequence.

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A town government is designing a new bus system. The planners are deciding where to put the different bus stops. They want to pick a set of bus stop locations that will minimize the distance anyone needs to walk in order to get to any bus stop in town. What term best defines this kind of problem?

A. A decision problem
B. An optimization problem
C. An undecidable problem
D. An efficiency problem

Answers

B. An optimization problem
B is the correct answer

consider the following statements concerning object oriented programming. choose the incorrect statement coursehero

Answers

The incorrect statement concerning object-oriented programming is that "objects are created using the 'new' keyword".

In object-oriented programming, objects are created using constructors, not the 'new' keyword. Constructors are special methods within a class that are used to initialize objects. The 'new' keyword is used to allocate memory for an object, but it does not create the object itself.

For example, in Java, when creating an object of a class called 'Car', you would use a constructor like this: 'Car myCar = new Car();'. The 'new' keyword is used to allocate memory, while the constructor initializes the object. So, the incorrect statement is that objects are created using the 'new' keyword.

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Rheneas wants to ensure his management team is aware of the common causes for failed enterprise system implementations before they begin their own. He points out to the team that _____.

Answers

The major reasons why ERP installations fail include inadequate planning, ineffective resource management, and a lack of risk awareness.

What are the enterprise system implementations?

The ability of a technical team to manage risks and change successfully may be compromised on a variety of levels, including crucial business procedures.

The major reasons why ERP installations fail include inadequate planning, ineffective resource management, and a lack of risk awareness.

Therefore,  A technical team's ability to effectively manage risks and change may be overwhelmed on a number of levels, including vital business processes.

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what are some scams you should avoid when looking for a credit counselor?

Answers

Before any credit counseling services are offered, the company requires money.

What exactly does a credit advisor do?

Organizations that provide credit counseling can help you with your finances and bills, assist you with creating a budget, and provide training on money management. Its Fair Debt Collection Act's specific provisions have been clarified by the CFPB's debt recovery rule (FDCPA)

How is a credit counselor compensated?

Non-profit organizations typically obtain some funding to cover their costs from two sources: clients who pay to use their debt payback program and clients' creditors who agree to cover those costs as part of the credit counseling organization's negotiated agreements with creditors.

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A client computer networked to a server computer, with processing split between the two types of machines, is called a(n):

Answers

Answer:

two-tiered client/server architecture

Explanation:

anyone pls answer this!!!!!!thanks ^-^​

anyone pls answer this!!!!!!thanks ^-^

Answers

Answer:

True

False

False

False

Explanation:

HTML isnt a scripting a scripting language it's a markup language

There are 6 levels of HTML

An empty tag only has a starting tag

List out differences in the ways global communities were formed before and after the advent of the internet and social media.

Answers

Answer:

is a remarkably complex technical system built on the creative contributions of scientists around the world from the 1950s to the present. Throughout its evolution, the Internet and other networks have been promoted by governments, researchers, educators, and individuals as tools for meeting a range of human needs. A combination of high-level policy and grassroots improvisation has produced social benefits including easier and more widespread access to computers and information; increased scientific collaboration; economic growth; the formation of virtual communities and an increased ability to maintain social ties over long distances; the democratization of content creation; and online political and social activism. The Internet’s rapid growth has also spawned technical crises, such as congestion and a scarcity of network addresses, and social dilemmas, including malicious and illegal activities and persistent digital divides based on income, location, age, gender, and education. Such problems continue to demand creative solutions from scientists, policy makers, and citizens.

Several general themes characterize the technical development of the Internet. First, from the 1950s to the present there has been a steady increase in the size of data networks and the variety of services they offer. Rapid growth and diversity have forced network designers to overcome incompatibilities between computer systems and components, manage data traffic to avoid congestion and chaos, and reach international agreement on technical standards. These challenges have led to fundamental advances in research areas such as operating systems and queuing theory. A second trend has been the modeling of network functions as a series of layers, each of which behaves according to a standard protocol, a set of rules for interaction that is implemented in software or hardware. Layering reduces the complexity of the network system and minimizes the amount of standardization necessary, which makes it easier for networks to join the Internet. A third important feature of the Internet’s technical development has been an unusually decentralized and participatory design process. This has opened the system to innovation from a variety of directions and has encouraged informal worldwide collaboration. The following sections describe some of the major milestones in the evolution of the Internet and its predecessors.

PLSS HELP I WILL GIVE BRAINLIEST!!​

PLSS HELP I WILL GIVE BRAINLIEST!!

Answers

Answer:

1.1000 megabyte

Explanation:

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