Which is a major drawback of muliuser procesing of a database

Answers

Answer 1

The main drawback of multiuser processing of a database is:

Lost-update problem.

What is  lost-update problem?

In the area of lost update problem, an update that has been carried on to a data item by a transaction is said to be lost as it is known to be overwritten by the update that has been carried on by another transaction.

Therefore, The main drawback of multiuser processing of a database is:

Lost-update problem.

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Related Questions

Match the careers with the career clusters.

Answers

The careers with the career clusters are:

A. Architecture and construction:

CarpenterGeologist

B. manufacturing:

Sewing machine operatorQuality assurance inspector

C. Agriculture, food and natural resources:

Animal trainerFarm labor and contractor

D. Energy

Wind turbine engineerElectrician  

What is a career cluster?

Career Clusters are known to be made up of different occupations that belongs to the same field of work that often needs the same skills.

Therefore, the matchup above are correct.

See full question below

Match the careers with the career clusters. (two answers in each group)

CAREERS

1. electrician

2. wind turbine engineer

3. sewing machine operator

4. geologist

5. quality assurance inspector

6. farm labor contractor

7. animal trainer

8. carpenter

GROUPS

A. architecture and construction

B. manufacturing

C. agriculture, food and natural resources

D. energy

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Which API gives higher performance and low graphics?
OpenGL?
Vulkan?
Direct3D11?
Metal?
pls suggest your answer

Answers

I believe Vulkan Ubisoft uses it for there large scale game for them to work on computer that can’t handle them

Type the correct answer in the box. Spell all words correctly. Photographers can compress files in different formats. One of the formats ensures that the quality and details of the image are not lost when the photographer saves the file. Which file format is this? The file format ensures that images don’t lose their quality and details when photographers save them.

Answers

Explain the basic components of a computer system control unit

Answer: Lossless

Explanation: just took the test

after input is finished, another call to read would return which of the following to indicate that the end of the file has been reached?

Answers

After input is finished, another call to read would return an empty string to indicate that the end of the file has been reached.

What is data read from a file?

When data is said to read from a file, it is said to fully or automatically saves itself in a variable. Note that If a file is said to already exists, one can open it.

Note that After input is finished, another call to read would return an empty string to indicate that the end of the file has been reached.

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Convert (765)octal into hexadecimal​

Answers

Answer:

1F5

Explanation:

First convert octal 765 into binary values with each octal digit as a representation using 3 bits

Octal 7 ==> 111

Octal 6 ==> 110

Octal 5 ==> 101

Putting it together we get
111110101

Now group the bit values into groups of 4 (with leading zeros if necessary) starting with the rightmost bit.

Groups are highlighted and then the hex value is written

Right-most group 111110101  and 0101 is 5 hex
Middle group: 111110101  and 1111 is F hex

Left most group: 111110101 ; with leading zeros it is 0001 which is 1 hex

So from left to right we get 1F5

Data erasure software uses standards that are called.

Answers

Data erasure software uses standards that are called Typically, a software program device is used for information erasure like BitRaser, which implements the overwriting sample primarily based totally on the usual used, together with US DoD 5220.22, NIST 800-88.

What is statistics erasure?

For virtual garage devices, erasing names after its developer, the Gutmann set of rules is a way of disk wiping that overwrites statistics the usage of a complete of 35 passes. This makes it one of the maximum steady statistics erasure methods, however additionally the maximum time-consuming.

The statistics manner that zeros and ones are verifiably overwritten onto all sectors of the device. This renders all statistics completely unrecoverable at the same time as retaining the capability of the device the beyond few years, NIST Special Publication 800-88 has end up the go-to statistics erasure preferred withinside the United States.

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What is the principle of operation of the INS?

Answers

The principle of operation of the INS is referred to as dead reckoning.

What is INS?

INS is acronym for Inertial Navigation System and it can be defined as a navigation device that is designed and developed to make use of motion sensors, a computer, and rotation sensors, so as to continuously calculate by dead reckoning the velocity, position, and orientation of an object in motion.

Based on Engineering and Aircraft Avionics, we can infer and logically deduce that the principle of operation of the Inertial Navigation System (INS) is referred to as dead reckoning.

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Use wireshark to capture packets on the enp2s0 interface for five seconds. analyze the wireshark packets to determine whether arp poisoning is taking place. use the 192.168.0.2 ip address to help make your determination. answer the questions.

Answers

In the case above, the Questions that need to be answered is:

"What is the MAC address of the 1st responding device and the answer will be: 00:00:1B:11:22:33"The second question will be "What was the MAC address of the duplicate responding device and the answer will be 00:00:1B:33:22:11".

How do you use wireshark to capture packets?

The steps are:

Do Open Wireshark and then one can go to under Capture folder and then click on enp2so.Click on Blue fin to start capture.In about 5 seconds after that operation, , click red box to stopLook at the Apply a display filter type arp and click on Enter to depict those packetsLooking at the Info column, you will see lines having the 192.168.0.2 IP. Then  Answer questions above.

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What type of relational methods that allow you to insert or update records and extract information from records for viewing? comptia

Answers

Data Manipulation Language (DML) allows a user to insert or update records and extract information from records for viewing.

What is a relational database?

A relational database is a type of database designed and developed to store, structure and recognize relation which exist between data points and items of information.

In database management system (DBMS), a type of relational methods which allows an end user to insert or update records and extract information from records for viewing is known as Data Manipulation Language (DML).

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C. What is windows operating system? Compare different versions of operating system after 2003

Answers

Answer:

:)

Explanation:

The Windows operating system (Windows OS) refers to a family of operating systems developed by Microsoft Corporation. We look at the history of Windows OS from 1985 to present day.

The Windows operating system (Windows OS) for desktop PCs is more formally called Microsoft Windows and is actually a family of operating systems for personal computers. Windows has traditionally dominated the personal computer world, running, by some estimates, more than 75 percent of all personal computers. Beginning in the early 2000s, Windows dominance has lessened with the growth of the Linux and Mac operating systems.

Windows provides a graphical user interface (GUI), virtual memory management, multitasking, and support for many peripheral devices. In addition to Windows operating systems for personal computers, Microsoft also offers operating systems for servers and mobile devices.

Windows is also the foundation for the Microsoft Office productivity suite. Introduced in 1990 as a Windows-only family of applications for desktop computers, Office has grown to become the world’s most widely used productivity suite, with windowscentral.com reporting an estimated 1.2 billion + user worldwide as of 2016.

Internet transportation exchanges brings together shippers who post __________ and carriers that post __________ in order to arrange shipments. Group of answer choices capacity, capacity loads, loads capacity, loads loads, capacity

Answers

Answer:

Internet transportation exchanges brings together shippers who post LOADS and carriers that post their AVAILABLE CAPACITY in order to arrange shipments. Group of answer choices capacity, capacity loads, loads capacity, loads loads, capacity

In a job-order costing system, manufacturing overhead applied is recorded as a debit to:

Answers

In a job-order costing system, manufacturing overhead applied is recorded as a debit to Work in Process inventory.

What is Manufacturing overhead (MOH) cost?

This is known to be  the sum of all the indirect costs which is said to be often incurred while creating a product.

Note that in the case above, In a job-order costing system, manufacturing overhead applied is recorded as a debit to Work in Process inventory.

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<
1 2 3 4 5
List
the steps for copying and pasting into the correct order.
First
Second
Third
Fourth
Fifth
I III I

Answers

Answer:

first :highlight the text

second: select the cut command

third: nice the cursor to the new location

forth: select the paste command

HURRY PLS
polina is a system architect and at the point in her current project where she must review the code at a high level to make sure it meets all the requirements. After that, which of the following groups will polina work with


A) the testing team

b)the CEO

Answers

Answer:

the testing team

Explanation:

because even though she may have fulfilled the requirements but she still need to test if it runs perfectly or not

3. Describe how you would properly dispose of the following materials so that you do not damage the environment. Write on each topic below.
CRT monitors
Scanners
Batteries
Ink/Toner
Hard Drives

Answers

Alkaline and zinc-carbon batteries may be securely disposed of in your domestic garbage in the majority of areas.

What is disposing of?

Disposing of is the process of completely destroying any material completely.

It's critical to adhere to established practices for electronic device disposal, in addition, to securely protecting sensitive information on electronic devices.

The most effective method of preventing outsiders from obtaining your information is to physically destroy a gadget.

Your computer disc and other gadgets can be destroyed using specialized services that can burn, melt, dissolve, or pulverize them.

These techniques of sanitization are used in authorized incineration facilities or outsourced metal destruction facilities, and they are intended to totally destroy the media.

If you don't want to utilize a service, you may break your hard drive yourself by hammering nails or drilling holes in it.

Hence batteries may be securely disposed of in your domestic garbage in the majority of areas.  

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Under the fair use doctrine, which group of people are allowed to use certain
portions of copyrighted material without permission?
O A. Web developers
OB. Teachers
C. Entrepreneurs
OD. Producers

Answers

Answer:

the answer is b fair use lets people teachers use some copy right materials since this is instruction

Hope This Helps!!!

a diminished triad can be indicated by

Answers

A  diminished triad can be indicated by A lower-case Roman numeral and °.

How do you Know a diminished triad?

In any diminished triad, the middle and top two notes of the chord are known to be the flattened and shown by the symbol "o" or "dim."

Therefore, A  diminished triad can be indicated by A lower-case Roman numeral and °.

See options from below

A diminished triad can be indicated by:

A) A lower-case Roman numeral and °.

B) A lower-case Roman numeral and +.

C) An upper-case Roman number and °.

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You have a server that has a 100basefx network interface card that you need to connect to a switch. the switch only has 100basetx switch ports. which device should you use

Answers

Media Converter is the device that you will use to switch only has 100BaseTx switch ports.

What is a network media converter?

A media converter is known to be a kind of networking device that helps to link two different media, such as Ethernet copper and Ethernet fiber.

Note that they can link devices that are more that 100 meters from the close available switch and as such, Media Converter is the device that you will use to switch only has 100BaseTx switch ports.

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Suppose that you have declared a numeric array named numbers, and two of its elements are numbers[1] and numbers[4]. You know that _________.

Answers

Answer:

there are exactly two elements between those two elements

A/An is useful in comparing data values from populations with different means and standard deviations.

Answers

A useful tool in comparing data values from populations with different means and standard deviations is z-score.

What is a Z-score?

This is known to be a kind of numerical measurement that tells a value's association to the mean of a group of values.

The Z-score is said to be measured in regards to standard deviations that arises from the mean.

Note that A useful tool in comparing data values from populations with different means and standard deviations is z-score.

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The first field in an 802. 11 header is known as a ________

Answers

The first field in an 802. 11 header is known as a the frame control.

What is the first field in an 802.11 header?

The first three fields are:

Frame ControlDuration/ID,Address 1

Note that  it is also made up of reserved types and subtypes and thus, The first field in an 802. 11 header is known as a the frame control.

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what is computer generation​

Answers

Answer:

Generation in computer terminology is a change in technology a computer is/was being used which includes hardware and software to make of an entire computer system .

When there are conflicting gpos, what's the order in which they're evaluated and applied?

Answers

When there are conflicting GPOS, the order in which they're evaluated and applied are: Site, Domain, and OU.

What is the conflict about?

Note that when trying to know which policy settings to apply, the local policy of the machine is said to be examined, followed by site policies, then domain policies, and lastly the policies on all the OUs that has all the object being processed.

Therefore, When there are conflicting GPOS, the order in which they're evaluated and applied are: Site, Domain, and OU.

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If we use the square wave to transmit digital data (0s and 1s), what will be the data rate. Note data rate is the bits per second. (if two bits contain in one period) 2. Then, if we use the first three components to represent square wave, what is the bandwidth? (Refer to lecture) 3. Consider a noiseless channel with a bandwidth of 3000 Hz transmitting a signal with two signal levels. What can be the maximum bit rate?

Answers

The maximum bit rate

The iso 14001:2004 standards require documentation of a firm's environmental program. Which component requires a plan to improve performance in resource use and pollutant output?

Answers

The component that requires a plan to improve performance in resource use and pollutant output is the environmental management system.

What is a pollutant?

Pollutant simply means a substance that is harmful to the environment.

In this case, the component that requires a plan to improve performance in resource use and pollutant output is the environmental management system.

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what is the size of the rc.conf file in bytes

Answers

Answer:

It is 281 bytes.

In the case above, the size of the rc.conf file in bytes is said to be 281 bytes.

What is rc conf file?

The rc. conf file is known to be a file that often specifies the kind of services that needs to  be enabled in course of system startup by the startup scripts that was invoked by /etc/rc (see rc(8)), and that also ashutdown scripts that is said to be invoked by /etc/rc. shutdown.

Note that In the case above, the size of the rc.conf file in bytes is said to be 281 bytes.

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When there is a missing DLL file, _______.
A. Hard drive needs to be scanned
B. the computer will display error messages
C. Applications might run slowly

Answers

Answer:

B. the computer will display error messages

When there is a missing DLL file, the computer will display error messages. The correct option is B.

What is a DLL file?

DLL is dynamic link library is a concept of Microsoft implementation of the shared library concept of Microsoft Windows. This library contains codes and data that can be use in making a program.

Thus, the correct option is B. the computer will display error messages.

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Suppose that you want to write a program that inputs customer data including name, zipCode, balance, and regionNum. At the end of the program, a summary of the number of customers in each of 12 sales regions who owe more than $1000 each is displayed. The most likely statement during the main processing loop would be _________.

Answers

The most likely statement during the main processing loop would be

customerCount[regionNum] =

customerCount[regionNum] + 1

What is a processing loop?

A loop means a sequence of instruction s that is continually repeated until a certain condition is reached.

In this case, the most likely statement during the main processing loop would be customerCount[regionNum] = and customerCount[regionNum] + 1.

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what type of e-mail typically lures users to sites or asks for sensitive information?

Answers

The  type of e-mail typically lures users to sites or asks for sensitive information is phishing.

What is a phishing email?

Phishing is a type of internet scam where cyber hackers impersonate legitimate organizations via email, text message, advertisement or other means in order to steal sensitive information.

This criminals usually send an email link mimicking the company .

The aim of the email is to get sensitive information in order to access your funds or private information.

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i) Convert 8GB to bits. Give the expression.

Answers

Answer:

64 billion

Explanation:

1gb = 1 billion bytes

so 8gb = 8 billion bytes

then

1 byte= 8 bits

so 8 billion bytes = 8 × 8 billion bits, 64 billion bits

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