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.
Im going to guess the 2nd one.
The 1st one just shows how trees can make ____ and then goes to water, the sun, then the rain but it CAN be used as one.
The 2nd one seems to explain the best it can show about weather, water, landforms, the sun, and seems like a better one to choose.
Answer:
- Scrape or remove food bits from the surface.
- Wash the surface.
- Rinse the surface.
-
Sanitize the surface.
- Allow the surface to air-dry.
Explanation: These are steps for cleaning and sanitizing.
Answer:
Explanation:
The operating system always is one year duration. If you don't believe me look it up. I am very good with computers.