Servers that exist within a data center that is publicly accessible on the internet are referred to as on-premises servers: b. false.
<h3>What is a server?</h3>
A server can be defined as a dedicated computer system that is designed and developed to provide specific services to other computer devices or programs, which are commonly referred to as the clients.
<h3>What is an
on-premises server?</h3>
An on-premises server can be defined as a type of server that are privately owned by a company or individuals, which must be managed and maintained individually.
In conclusion, servers that exist within a data center that is not publicly accessible on the internet are generally referred to as on-premises servers.
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Answer:
ALTER TABLE orders
MODIFY (amount DEFAULT 250)
Explanation:
- ALTER TABLE statement is used to modify "amount" column in the existing "orders" table
- MODIFY (amount DEFAULT 250) is used to set the default value 250 of the "amount" column.
Therefore if the supervisor wants the amount column to be configured to accept a default value of 250, then "ALTER TABLE orders MODIFY (amount DEFAULT 250) " statement should be issued.
Answer:
C) A quarter was worth less than is used to be.
Explanation:
I got this answer wrong when I chose B.
Answer:
Person-to-Group
Explanation:
Person-to-Group communication involves one speaker and audience.
This is false.
What is cardinality?
Cardinality refers to the entity instances for which it is eligible to participate in a relationship instance. There are two types of cardinality, maximum and minimum.
What is maximum cardinality?
- The maximum cardinality of a relationship is the maximum number of instances of entity B that may be associated with each instance of entity A.
- Maximum cardinality: maximum number of entity instances that can participate in a relationship.
- One-to-One [1:1]
- One-to-Many [1:N]
- Many-to-Many [N:M]
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