What is a data dictionary, and what purpose does it serve?
What will be an ideal response?
The data dictionary describes every data element in the database. It enables all users (and programmers) to share a common view of the data resource, thus greatly facilitating the analysis of user needs.
PTS: 1
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Which of the following traversals visits the root before visiting the left and right subtrees?
a) Preorder b) Inorder c) Postorder d) Level-order e) none of the above
How many times will this for loop execute? (Note: i is an int.) for(i = 0, i < 10 ,++i)
A. 9 B. 10 C. The loop is not written correctly. It would not compile. D. It is an infinite loop.
Provide a general description for how routers are used in border security.
What will be an ideal response?
Arguments are Excel's built-in formulas.
Answer the following statement true (T) or false (F)