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saul85 [17]
3 years ago
8

In a relational database model, a(n) _____ operation pares down a table by eliminating columns according to certain criteria. in

sert join find project
Computers and Technology
1 answer:
nikklg [1K]3 years ago
8 0

I guess the correct answer is Project

If thе usеr is intеrеstеd in sеlеcting thе valuеs οf a fеw attributеs, rathеr than sеlеctiοn all attributеs οf thе Tablе (Rеlatiοn), thеn οnе shοuld gο fοr Prοjеct Οpеratiοn.

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Create a base class named rectangle that contains lenght and width data members.
kumpel [21]

Answer:

class Rectangle:  

   

   def __init__(self, length, width):

       self.length = length

       self.width = width

       

   

   def area(self):

       area = self.length*self.width

       return area

   

   

class Box (Rectangle):

   

   def __init__(self, length, width, height):

       super().__init__(length, width)

       self.height = height

       

   def volume(self):

       volume = self.length * self.width * self.height

       return volume

   

   def area(self):

       area = 2*(self.length*self.width) + 2*(self.length*self.height) + 2*(self.width*self.height)

       return area

rec_1 = Rectangle(2,4)

box_1 = Box(2,2,6)

print(box_1.length)

print(box_1.area())

   

print(rec_1.length)

print(rec_1.area())

Explanation:

The programming language used is python.

class Rectangle

The class Rectangle is created with attributes length and width.

The class attributes are initialized using the __init__ constructor.

In the rectangle class, a method/function is declared to return the area of the rectangle.

class Box

This class is a child of rectangle and it inherits all its attributes and methods,

It has an additional attribute of depth and its constructor is used to initialize it.

The class contains a volume function, that returns the volume and an override function 'area()' that displaces the area from the parent class.

Finally, some instances of both classes are created.

4 0
3 years ago
Blender questions
Tamiku [17]
<span>14. A mesh represents a(n) _____ object if its faces enclose a positive and finite amount of space. (1 point)

odd

connected

simple

convex



15. Which of the following is the 3-D view port? (1 point)

the standard layout used for new files

the polygon viewing on the default screen

straight line segments connecting two vertices

a single static image in 3-D

The answer for number 1, should be:
SOLID
</span><span>A mesh represents a solid object if its faces enclose a positive and finite amount of space
</span>
The answer for the second question is:
a single static image in 3-D
4 0
3 years ago
Read 2 more answers
If i cl/ear ch/at hist/ory on group/me on my comp.uter will it clear it on my phone
leonid [27]

Answer: It is likely that this can happen.

Explanation:

If you really want to go the extra mile to clear it all, I may recommend that you clear it off the phone as well. Hope this helps.

6 0
2 years ago
Read 2 more answers
MTINGAENL ....
erik [133]

Answer:

Alignment

Explanation:

7 0
3 years ago
Complete each statement by choosing the correct answer from the drop-down menu.
mihalych1998 [28]

Answers for edg:

1- speaking and listening

2- nonverbal communication

3. gestures often have multiple interpretations

4. interpreting body language and behavior

Explanation: hope this helped! i just did them and they were right :)

7 0
3 years ago
Read 2 more answers
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