Answer:
a. True
Explanation:
The three tiers in a three-tier architecture are:
Presentation Tier: Occupies the top level and displays information related to services available on a website. This tier communicates with other tiers by sending results to the browser and other tiers in the network.
Middle Tier: Also called the application tier, logic tier, business logic or logic tier, this tier is pulled from the presentation tier. It controls application functionality by performing detailed processing.
Data Tier: Houses database servers where information is stored and retrieved. Data in this tier is kept independent of application servers or business logic.
Answer:
one inch=25.4
12 meters=13.12
10 quarts=9.46
12 milliliters=0.0004
400 pounds= 181 kg
25 meters/second=82
68F=20C
Explanation:
heres the full ones
one inch=25.4
12 meters=13.1234 yards
10 quarts=9.46353
12 milliliters=0.000405768
400 pounds=181.437
25m/s=82.021f/s
68f=20C
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Among the choices given, the one that is considered false is <span>c. A cover letter is sent before a résumé so that the employer knows it is coming. This is because a cover letter is sent along with the applicant's resume. The cover letter is an optional message to the employer before he/she reads the resume. A cover can convey a person's personality, skills, and abilities.</span>
A primary key is the field (or fields) that is often employed to specifically identify each record in a table.
<h3>What is the role of this key?</h3>
The Primary key is known to be the key that helps a user to be able to form a specific identifier for each row in one's table.
Note that it helps a person to link your table to other tables and as such, a primary key is the field (or fields) that is often employed to specifically identify each record in a table.
Learn more about primary key from
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