Answer:
The answer to this question is given below in this explanation section.
Explanation:
In the relationship model of database a primary key is a specific choice of a minimal set of attributes that uniquely specific a tuple in a relation.Informally a primary key is which attribute and in simple cases are simple a single attribute.More formally a primary key is a choice of candidate key any other candidate key is an alternate key.
A primary key may consists of real word observable in which way it is called natural key,while an attribute created to function as a key and not use for identification outside the database is called a surrogate key.For example for a database of people time and location of birth could be a natural key.National identification number is another example of an attribute that may be used as an natural key.
Answer:
Example of organizational variables are codes of ethics, ethical climate, organizational size, top management, organizational structure and organization culture.
Explanation:
Organizational variables can be defined as characteristics of a decision that influences the decision-making process and its outcome. This organizational variables also influence how an individual makes decisions.
Example of organizational variables are codes of ethics, ethical climate, organizational size, top management, organizational structure and organization culture.
The first thing that comes to mind is preschool. Then kindergarden. Another one would probably be a daycare center, but I'm not sure that qualifies as a school.
C) microcomputers
explanation: designed for computing needs of an individual
