Data can be lost by ________. A) mechanical failure B) ...

[jerry coleman]

Data can be lost by ________.
 
  A) mechanical failure
  B) environmental casualties
  C) malware
  D) All of the above

Question 2

What are some of the advantages and disadvantages to an SQL standard?
 
  What will be an ideal response?

[Jossy]

Answer to Question 1

Answer: D

Answer to Question 2

Some of the advantages are: reduced training costs, increased productivity, application portability, application longevity, reduced dependence on a single vendor and cross-system communication. Some disadvantages include: stifling creativity, difficulty in
changing standard, and loss of application portability when adding additional proprietary features.