Answer:
Sometimes yes, sometimes you can do it yourself
Explanation:
Installing a Nest thermostat can be done yourself without an electrician in most cases. Nest thermostats are designed to work in homes without a common (“C”) wire. However, there are rare cases a C wire or other power-supply accessory may be required. An electrician is recommended in these rare cases.
Answer:
When working with cloud computing, drive failures and need for usage and data is easily identifiable, so in short term, all of the things that show the user/s what needs to be done is the characteristic.
Explanation:
Rand.int(your_num , your_num
Answer:
b. foreign key
Explanation:
In the database world, a foreign key is a field on one table and a primary key for another table. The purpose of a foreign key is to provide linkages between two or more tables. Given two tables A and B, and making A the point of reference, a primary key is a field that is unique in A while a foreign key is unique in B.
On another hand, a composite primary key is a combination of two or more fields/columns on database table that can be used to uniquely identify each row in the table.
In the database lingua, what we have is a unique key not a distinct key, though the two words are similar in meaning.
A duplicate key is used when an information may be repeatedly entered on a table.
So the correct option is a foreign key.
The correct answer should be process type of software metric. The process metrics are used to help in strategic decision making. The processes such as work products delivery, expended human hours and conformance to quality and schedule are all metrics in the process domain.