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Svetradugi [14.3K]
3 years ago
6

Part C: Describe the constraints of the domain. (3 points) MAX PTS AND BRAINLIEST

Mathematics
1 answer:
Umnica [9.8K]3 years ago
5 0

Answer:

Domain constraints include entity integrity and referential integrity and this domain is a set of values that may be assigned to an attribute. The entity integrity rule states that no part of a primary key cannot be null. Referential integrity states that each foreign key value must match a primary key value or be null

Each table has certain set of columns and each column allows a same type of data, based on its data type. The column does not accept values of any other data type.

Step-by-step explanation:

Domain constraints include entity integrity and referential integrity and this domain is a set of values that may be assigned to an attribute.

The ENTITY INTEGRITY rule states that no part of a primary key cannot be null while the REFERENTIAL INTEGRITY rule states that each foreign key value must match a primary key value or be null.

Each table has certain set of columns and each column allows a same type of data, based on its data type in which the column does not accept values of any other data type.

Therefore Domain constraints are user defined data type and can define in this way:

Domain Constraint = data type + Constraints (NOT NULL / UNIQUE / PRIMARY KEY / FOREIGN KEY / CHECK / DEFAULT)

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X = 3 - y
bagirrra123 [75]

Answer:

A

Step-by-step explanation:

Given the 2 equations

x = 3 - y → (1)

5x - 12 = y → (2)

Substitute x = 3 - y into (2)

5(3 - y) - 12 = y ← distribute and simplify left side

15 - 5y - 12 = y

3 - 5y = y ( add 5y to both sides )

3 = 6y ( divide both sides by 6 )

\frac{3}{6} = y, that is

y = 0.5 → A

6 0
3 years ago
Read 2 more answers
What is the equation of the line that passes through (-3,-1) and has a slope of 3/5 in slope intercept?
andrew-mc [135]
Answer is Y=3/5x + 4/5
3 0
3 years ago
12. Name the property the equation illustrates.
Vesnalui [34]

the answer is A. the commutative property of addition. this property states that no matter what order you put the numbers, the outcome will be the same.

Hope this helps!

4 0
3 years ago
Which equation can be used to represent the statement?
Arte-miy333 [17]

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Debra travels a distance of 2 miles in 1 minute how much distance can she cover in 25 minutes
Marta_Voda [28]

Debra will travel 50 miles in 25 minutes

Step-by-step explanation:

Given

distance = 2 miles

Time = 1 minute

Other time = 25 minutes

We can use the proportions to find the number of miles debra will travel in 25 minutes

So,

Distance:Time::Distance:Time\\2:1::Distance:25\\\frac{2}{1} = \frac{Distance}{25}\\Distance = 25 *2\\= 50\ miles

Hence,

Debra will travel 50 miles in 25 minutes

Keywords: Proportion, rate

Learn more about proportion at:

  • brainly.com/question/4528757
  • brainly.com/question/4480478

#LearnwithBrainly

8 0
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