In a relational database, each row should be ____.
A. updated
B. unique
C. normalized
D. non-descript
Answer: B
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Transaction processing enables a program to treat a database operation, or set of operations, as single operation. This is known as a(n) ________ or a(n) ________.
a. atomic operation, unique operation. b. unique operation, transaction. c. atomic operation, transaction. d. None of the above.
Digital signatures are used for which of the following?
A) To encrypt a message B) To ensure message confidentiality C) To prove the identity of the sender of the message D) To ensure the message cannot be opened by anyone but the sender
By default, records in a table or query are sorted by the foreign key field
Indicate whether the statement is true or false
When you assign a shortcut key to a macro, it will take precedence over the shortcut keys that are:
A) built into Excel. B) case sensitive. C) external to Excel. D) used by all applications.