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Soloha48 [4]
2 years ago
13

Which of the following is a key feature of a relational database?

Computers and Technology
1 answer:
Mekhanik [1.2K]2 years ago
3 0

It uses primary keys and foreign keys as a means to provide efficient access to data and is supported directly in the database rather than maintained in the application code.

Explanation: Relational databases use an expressive query language, make efficient use of indexes within the database, ensure strong consistency, and fit well within an enterprise management system. Non-relational databases have a flexible data model, have high scalability, and performance, and have always-on global deployments.

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John's boss asks for a recommendation for connecting the company network to a small satellite building about 1 km from the main
tresset_1 [31]

Answer:

C. Ethernet over multi mode fiber .

Explanation:

Given that the distance to be covered is 1 km. Multi-mode optic fiber is best suited for short distances of up to 2 km and can withstand harsh environments with less signal attenuation. Single mode fiber is best suited long distance of up to 200 km or more and is expensive as compared to multi-mode fiber Ethernet over twisted pair is best for indoor use and can only cover very short distances. Although UTP and STP are relatively cheap they cannot withstand harsh environments without great signal loss.

4 0
4 years ago
Which is the base class in the following statement? class car : public vehicle
tatiyna

The base class in the following statements is the vehicle class.

<h3>What is a base class?</h3>

A base class is also known as a parent class.

A parent class is the existing class from which the other classes are determined and properties are inherited.

The class car is the child class. The child class inherit the properties of the parent class or the base class.

Therefore, the base class is the vehicle class.

learn more on class here; brainly.com/question/14293976

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8 0
2 years ago
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Elena L [17]

Answer:

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3 years ago
Which Of these best describes what a binary digit can store?
Sholpan [36]

Answer:

A

Explanation:

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