The ________ operation forms a relation from more than one relation.
a) join
b) projection
c) subset
d) merge
a) join
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A(n) ________ is a note or comment placed at the end of a section or a document
Fill in the blank(s) with correct word
A symbol that specifies the mathematical operation, such as subtraction, is a(n) ________
Fill in the blank(s) with the appropriate word(s).
You have a database that contains information about all of the employees from your company. There is a table containing basic demographic information called Employees and a table containing salary information called Pay. The two tables are related by the field called Emp ID. Your supervisor wants to see a list of employees who are making over $25,000.00 and have a last name of a "Wilson." Describe how to accomplish this.
What will be an ideal response?
__________ security addresses the issues necessary to protect the tangible items, objects, or areas of an organization from unauthorized access and misuse.
A. Physical B. Personal C. Object D. Standard