A consistent database base is one in which all data integrity constraints are satisfied.
The Importance of Color Theory in Painting. Color Theory was a required foundations course in the Visual Communication Design program at BYU, so all the design students took it–the interior designers, graphic designers, industrial designers, and the illustrators.
I think the answer is
3 - Usually, but we may need to convert the data types (date to text)
Because we can change the format, but depends of the original format type and in what type you need to format.
I think this can help.
