The default constraint gives a value to an attribute when a new row is added to a table.
<h3>Is default a kind of constraint?</h3>
This is known to be a type of constraint that often apply a value to a column if an INSERT statement does not really give the value for the column.
Therefore, one can say that the default constraint gives a value to an attribute when a new row is added to a table.
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Answer:
You can enter a URL that (B) Uses localhost as the domain name
Explanation:
Localhost refers to your computer or the computer that is currently in use.
To run a PHP application that is deployed on your computer, the localhost (which has an IP address of 127.0.0.1) is used.
The IP address is called a "loopback" address because all data sent or received revolve around the local computer.
The technological tools that can be considered important for storing critical files are battery backup systems and drives. These devices can be used to store data and supply energy.
<h3>Battery backup systems</h3>
A home battery backup system is a device used to keep the electrical system working in the event when the electrical source goes down.
In computation, there are three major classes of batteries systems: Lead-Acid, Nickel-Cadmium, and Lithium-Ion.
An uninterruptible power supply (UPS) can be considered as a battery backup supply capable of charging when the power is on.
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Answer: False
Explanation: Application software, on the other hand, refers to software that is designed to perform a certain task. It's just a collection of programs that customers can use.
