Answer:
batteries cant last connected to nothing forever probably
Answer:
Option A is the correct option.
Explanation:
The following option is true because when the user or any organization is installing the updates of an operating system and then, some technicians that its failure and they observe that 100% usage of the computer's CPU is done and the user takes the advice of the technicians regarding to the following queries then, they tell them the following problem is that there is an insufficient numbers of the physical processor cores.
In a real-world environment, changing granularity requirements might dictate changes in primary key selection, and those changes might ultimately require the use of surrogate keys.
Explanation:
A surrogate key is a unique identity as an object or entity. It is used as an object in the database and as an entity in the modern world. Surrogate key is not a natural key hence it cannot be derived from application data.
Advantages of using surrogate key:
- They are unique
- They have uniform rules
- It allows unlimited values
- It stands the test of time
