1) A view of database that appears to an application program is known as : a) schema b) message c) virtual table d) none of above

Answers

Answer 1

Answer: D) None of the above

Explanation: The subschema differs from the schema in that one denotes the appearance of data in the Database Base Management System (DBMS) while the subschema which is also referred to as the external schema is that subset of the schema is visible or relevant to the user. Thus, It is the view of the database which is visible to an application program. Virtual tables in a database usually represents an object structures like a table which is the result of running certain database commands or functions such as the create table, view, select and so on. Virtual tables are not stored directly in database files.


Related Questions

Which of these would NOT contribute to a global increase in temperature? Which of these would NOT contribute to a global increase in temperature? deforestation increasing the use of gasoline-burning vehicles increasing the industrial release of carbon dioxide planting trees increasing the amount of animal life on Earth

Answers

Answer:

planting trees

Explanation:

Forests are sometimes referred to as the lungs of the earth because of the trees they contain. Trees, just like most plants absorb carbon dioxide, and releases oxygen; a reverse of the respiration process of most animal life. Carbon dioxide is known as one of the chief gases responsible for global warming, it increases the heat of the surface of the earth due to the "green house effect." The green house effect happens because heat radiation from the sun is trapped, instead of been reflected back into space. The heat is trapped because carbon dioxide acts as a blanket around the earth, preventing the reflected heat with a much lesser energy to penetrate out into space. So we can see that planting of trees will go a long way into trapping and recycling the available carbon dioxide, reducing the general global warming and increase in global temperature.

Is it possible for a republic to exist under single-party rule?
A. No. These are mutually exclusive ideas.
B. Yes, as long as an individual controls the government.
C. No. A single-party system does not allow citizens to elect
officials.
O D. Yes, an example is China, which does allow party members to
vote.
SUBMIT

Answers

Answer:

A one-party system is a form of government where the country is ruled by a single political party, meaning only one political party exists and the forming of other political parties is forbidden. Some countries have many political parties that exist, but only one that can by law be in control.

Explanation:

what sound does a giraffe make?

Answers

Hey there! I'm happy to help!

Giraffes are infamous for not having a memorable sound. Lion is roar, cow is moo, etc. Many studies have shown that giraffes make specific sounds that humans can't really hear, such as a hum or a vibration. They can make other bodily noises such as a snort or grunt.

Research shows that some of these possible noises are a method of communication, but there is still a lot of research going on with this subject.

I hope this helps! Have a wonderful day! :D

Answer:flute like sounds

Explanation:

what are the two type of element of environment​

Answers

Answer:

flora and fauna are the elements

Answer:

micro_environment and Macro environment

Explanation:

that is the main two parts.. in other words physical and Biotic environment .

Why do national governments struggle in Afghanistan? check all that apply A. The population is divided among four major ethnic groups. B. people in Afghanistan resist having freedom C. the country is used to having a king and queen D. ethnic and tribal conflict has been central to Afghan history. PLEASE HELP

Answers

Answer:

A/D would be the best answers.

Explanation:

The ethnic groups are not proportionately represented. Instead of a federal system the government has always been a unitary one.

National governments often struggle to rule efficiently in Afghanistan because,

The population is divided among four major ethnic groups;Ethnic and tribal conflict has been central to Afghan history.

What is the significance of the national governments in Afghanistan?

Different forms of governance have been tried and tested in Afghanistan, which will try to bring an overall political as well as economic stability in the country. However, long-term stability has been lost from Afghanistan.

The main reasons for these struggles have been largely due to religious and ethnicity conflicts in the country, which often leads to violence and lack of unity among the citizens of Afghanistan, resulting in fall of governments.

Hence, options A and D hold true regarding the significance of the national governments in Afghanistan.

Learn more about national governments in Afghanistan here:

https://brainly.com/question/17128929

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How is a galaxy different from a solar system?

Answers

Answer:

Well a galaxy is much much bigger we’re talking billion, trillion, or even quadrillion light years long “light years is the amount of years it takes for light to reach a point”.

A solar system probably has a couple of planets and 1 or maybe 2 stars where as a galaxy has billions and trillions of stars and planets.

Also a solar system is located inside a galaxy.

The galaxy is massive and there is like Billions of solar system in the galaxy and we are all in the milky away

Mixed economies and developing economies are commonly found in __________ Asia. A. North and Southwest B. Central and East C. South and Southeast D. North and Central

Answers

Answer:

south and southeast

Explanation:

bcz in south Asia we have several religions

Answer:South and southeast

Explanation:

Which is an example of relative location?
O A. Fifty feet down this road and then to the right
OB. 49° latitude, 3° longitude
O c. The South Pole
OD. Zip code 98466

Answers

Answer:A. Fifty feet down this road and then to the right

The answer is A. Fifty feet down this road and then to the right

explain how a CONTINENTAL climate affects humans

Answers

Answer:

Explanation:

Floods: Climate change tends to make wet areas wetter and dry areas drier, and so there will be an increase in both flooding and droughts. Flooding is one of the most common natural disasters. Floods displace people from their homes, damage and destroy infrastructure and buildings, and take a toll on an economic level. In 2011 alone, 112 million people worldwide were affected by floods, and 3140 people were killed.

Drought: Unlike a flood, drought is rarely a direct killer. But extremely dry conditions that last for months or years can lead to food and water shortages and rising food prices, which can contribute to conflict. Droughts also have huge economic costs, even in developed countries. New Zealand, for instance, lost more than $3 billion from 2007-2009 because of reduced farm output from drought.

Fire: Increased heat increases fire risk, and climate change is expected to bring more wildfires. The current California drought, for instance, has raised the risk of “explosive” wildfires. And it’s not just burns and injuries from the fire that are the problems. “Smoke from forest fires has been linked…with increased mortality and morbidity,” the IPCC authors write in Chapter 11, “Human Health: Impacts, Adaptation, and Co-Benefits” [pdf].

Crop declines and food shortages: Extreme weather events, such as floods and droughts, will lead to declines in some crops in some areas. While this might be an inconvenience for people in developed countries when it comes to foods like limes and avocados, the situation will be far more dire when it comes to crops like corn and wheat and in countries that already struggle to feed their populations. Food shortages and increases in food prices, which increase the number of malnourished people, are a particular concern in those places that already suffering from food insecurity, such as large portions of Africa.

Heat waves: Extreme heat can be deadly, particularly among the poor who may not have the luxury of retreating to air-conditioned rooms. In Australia, for example, the number of dangerously hot days is expected to rise from its current average of four to six days per year to 33 to 45 by 2070. That will translate to more deaths: About 500 people died because of heat in Australian cities in 2011

what is the meaning of inundates?​

Answers

Answer:

it can mean flood or to overburden a person with many tasks

Explanation:

Answer:

The rise of a body of water and its overflowing onto dry land.

Explanation:

Inundates in geography means the rise of a body of water and its overflowing onto dry land.

What is the main function of this organelle in the cell?
A. To store enzymes that break down food
B. To store food and other materials inside the cell
C. To provide the cell with energy for its activities
D. To hold and protect the cell's DNA

Answers

Answer:

i believe it is C

Explanation:

google said it helps the cell do its functions daily

Answer:

to hold and protect the cell's DNA

Explanation:

i did the quiz

Describe the Mediterranean climate zone. Where is it found


Answers

Answer: Mediterranean climate, major climate type of the Köppen classification characterized by hot, dry summers and cool, wet winters and located between about 30° and 45° latitude north and south of the Equator and on the western sides of the continents.

Explanation:

Answer:

The dry summer climate which  is characterized by dry summers and mild, wet winters. The climate receives its name from the Mediterranean Basin, where this climate type is most common. The vegetation of this region can withstand long summer droughts.  Mediterranean climate zone is found in  coastal areas of north west africa and small areas in south east

Explanation:

hope it helps uh.............

What's migration ?? ​

Answers

Answer:

>Migration is the movement from one place to another place.

>Several animals like bats, whales, porpoises, seals and fishes migrate to avoid harsh weather conditions.

> Humans migrate from one place to other for earning, settling and various other reasons.

HOPE IT HELPS :)

PLEASE MARK IT THE BRAINLIEST!

The Coriolis effect ________. Group of answer choices keeps Earth from spinning too fast is caused by earth's rotation keeps the wind circulating at constant speed around the planet is caused by the moon results in seasonal periods of 24-hour darkness at the poles in winter

Answers

Answer:

is caused by earth's rotation

Explanation:

The Coriolis effect is the direct result of the earth's constant motion around its axis and in which he objects are deflected towards the right in the northern hemisphere and to left in the southern hemisphere. It is also called as an initial or fictitious force with reference to clockwise rotation.

Centers of high population density in 1900 were in the fertile coastal and well watered regions of South Asia such as India and also in areas of East Asia such as China. Today China remains the most populated country on Earth although its share of the global population total is.:_______.

Answers

Answer:

1.393 billion

The answer is 1.393 billion China is very highly populated

These satellites circle the Earth in a north-to-south direction, and obtain images of the entire Earth twice a day by drifting about 15 degrees westward over the Earth's surface during each orbit.

Answers

Answer:

Polar satellite

Explanation:

Polar satellites circles the earth Ina north-south direction and obtain images of the entire earth twice a day by drifting about 15° westward over the earth's surface during each orbit.

Polar satellites refers to artificial satellites which revolve around the Earth in a north−to-south orbit passing over the poles as the Earth rotates about its north - south axis.

It is used for mapping and surveying.

Please help me. Please no ABSURD answers!!

Answers

Maybe sentence 2 or 3, I can’t exactly remember the Lee Resolution but I am sure one of those reflect it

This probably didn’t help but if it did, I’m glad ♥︎

Identify the FALSE statement. Question 3 options: Plates shift the continents around as they move, so Earth's surface is constantly changing. Plates may consist of all ocean floor or both ocean floor and continental crust. There are 12 major plates, and several microplates. The contacts between plates are called passive margins.

Answers

Please answer please please thank you

Hurry tell me a valley in india..... ​

Answers

Kangra(Kangar?) Valley! This place is super cool

Hope this helped

explain how a tropical climate impacted a culture:

Answers

Answer:

Tropical climate are high temperatures round and lots and lots of rain.

Explanation:

Tropical climate is the average temperature  18 degree Celsius,at least part of the year.

It even they only cover 6 to 7 percent the world surface, there are many climate conditions are around:- (1) Tropical Rain forests (2) Rainfall Explanation (3) Area of tropical .

(1) Tropical Rain forests:- tropical rain forests are one type of area commonly spoke called the tropical rain forests. These rain forest temperatures range 70 to 80 degree more then rain fall annually.

(2) Rainfall Explanation:- these explanation is the heavy rain is common of the works in this areas.In turns the back to the rain as heavy thunder storm every day.

(3) Areas of  tropical:- these are the large area of the tropical climate.

Compare and contrast the processes of landslides and avalanches as mass wasting processes on a Venn diagram.

Answers

Answer:

they are both natural disasters

but landslides are caused by rain and storms

well avalaches are random

Explanation:

VENN DIAGRAM:

View Screenshot 1

Negotiating treaties is under the authority of which branch of the U.S. government?

Legislative

Judicial

Executive

All of these

Answers

Answer:

Executive

Explanation:

3. When it is 1 pm in Sydney, Australia, the time in Delhi is 7.30 am on the same day. Raj caught a
flight from Sydney to Delhi at 10 am Sydney time. The flying time for his flight was 13 hrs. What
time was it in Delhi (IST) when Raj arrived?
When it is 1 PM in Sydney, it is
in Delhi
Time difference between Sydney and Delhi
hrs.
mins
If it is 10:00 AM in Sydney, it is
in Delhi (IST).
+ 13 hrs. =
PM (IST).
It is a 13 hr. journey. Raj will reach Delhi at

Answers

Answer:

5:30pm

Explanation:

Given

1 pm in Sydney = 7:30 am in Delhi

Required

What time did Raj arrived Delhi

First, we'll calculate the time difference between Sydney and Delhi

Difference = 1 pm - 7:30 am

Convert time to 24 hour format

Difference = 13:00 - 7:30

Difference = 5 hours 30 minutes

Next is to convert his departure time in Sydney to Delhi Time equivalent

Time of departure = 10:00 am (Sydney)

Delhi Time = 10:00 am - 5 hours 30 minutes

Delhi Time = 4:30 am

Lastly, we can then calculate Raj arrival time;

Since the flight took him 13 hours;

Arrival Time = 4:30 am + 13 hours

Arrival Time = 5:30pm

Explain how a POLAR climate impacts culture

Answers

Answer:

there is a projective changes in wind patterns, precipitation and temperature can change the amount of contaminate transport and deposit in Arctic.

further more melting of glaciers can release pollutants which had been captured by ice from so many years.

Explanation:

Hope, it helps you.

Como podemos relacionar a paisagem natural da Rússia com sua urbanização sabendo que boa parte do seu território enfrenta temperaturas baixíssimas durante todo ano como a Sibéria, por exemplo?

Answers

Answer:

A paisagem natural da Rússia tem um grande efeito na urbanização.

Explicação:

A Rússia é o maior país do mundo em área, mas cerca de 60% da área é coberta de gelo devido à temperatura muito baixa. A população dessas áreas é baixa em comparação às áreas em que o ambiente é agradável. A principal razão da alta população dessas áreas são as boas condições ambientais que atraem os povos e causam urbanização, enquanto a população de áreas frias é baixa devido às condições ambientais adversas. A maioria da população vive em áreas onde o clima não é severo e muito frio.

. How industrialisation and urbanisation have exerted a great pressure on existing fresh water resources in India? Explain with an example of each

Answers

Answer:Large scale industrialisation and urbanisation have posed a great pressure on existing fresh water resources as many multinational companies are being set up in India who are the heavy consumers of water for processing, discharge of effluents and as an energy resource.

Explanation:(i) Large scale industrialisation and urbanisation have posed a great pressure on existing fresh water resources as many multinational companies are being set up in India who are the heavy consumers of water for processing, discharge of effluents and as an energy resource.

(ii) Hydroelectricity contributes 22% of total electricity produced in India. These industrial units have not only posed a great threat to the availability of fresh water resources but also contributed to bad quality of water with large growing number of urban centres and population.

(iii) Modern lifestyle of the urban people has created more demand for water both for domestic purposes and increased consumption of energy.

(iv) In housing colonies to meet the needs of population, water resources are over-exploited resulting in depletion of ground water resources.

(v) Fresh water needs to be protected from industrial pollution and wastage of water in cities.

today is my first day here ! I have a home work and I need it tommorow can anyone pls help it say calculate the area covered by forest and I had been given a map called KASAMWA map​

Answers

Answer:

Kasamwa is related to a locality situated in the northeastern part of the Geita, Mwanza, Tanzania.

The tree cover area from Geita was 655kha.

In Kasamwa are recorded only small patches of forest.

2 circles labeled Set A and Set B overlap. Set A contains 1, set B contains 3, and the overlap of the 2 circles contains 2. The number 4 is outside of the circles. If k ∈ A ∩ B, which is the most specific location of k on the Venn diagram? I II III IV

Answers

Answer:

the answer is ll

Explanation:

If k ∈ A ∩ B, the most specific location of k in the Venn diagram is II.

What is the location of II in the Venn diagram?

A Venn diagram makes use circles to show the relationships among members of a finite group.

Where Set A and Set B intersect is represented by this sign - ∩

The sign used to represent a number that is part of the set is -∈

Thus, k is in the intersection of Set A and Set B.

Please find attached the image used to answer this question. To learn more about sets, please check: https://brainly.com/question/13192210

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In what ways did the Russian people protest their government in 1917? Check all that apply.

Answers

Answer:

i cant see answers cant help

Explanation:

Answer:

A,B,D,F

Explanation:

list and explain the types of legislation Pls i need help!​

Answers

Answer:

Legislation is to perform the preparing the enacting law by local, state or national .

Explanation:

Legislation involves that not only action  a by legislative body also executive, by the concurrence is required to make veto power by house of legislature.

Government policy and the often in the actual preparation of legislation.

Legislation is done by many different types:- (1) supreme legislation (2) subordinate legislation (3) delegated legislation .

(1) Supreme legislation :- the supreme legislation  authority state for the itself its called supreme legislation, authority to the power and check any way.

(2) Subordinate legislation :- subordinate is the supreme authority any body subordinate is call subordinate legislation, under check a supreme authority.

(3) Delegated legislation :- the power is that conferred the executive body it is called delegated legislation, and delegate power of law making.

(3)

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