8. What is the main reason for the wide acceptance of XML? a. XML allows to exch

Question

8. What is the main reason for the wide acceptance of XML? a. XML allows to exchange information among computer systems b. XML allows to build complex c. XML is an advanced programming language d. None of the other choices 9. What is the regular occurrences pattern as once, twice, thrice, or any noumber of expression that d the of a string times? a. (pattern) b. (pattern)? c. (pattern d. None of the other choices numeral? 10. What is the regular expression for a string pattern that does not contain a b. 11. at is the feature that can be represented in a base and not in an XML document? XML data a. attribute b. root tag c. element d. constraint 12. What is correct about a XML schema? a. It can represent a circular buffer b. It can represent a graph structure c. It can represent a tree structure d. None of the other choices 13. What does an xpath "litem" mean? out element a. Ignore element "item" as it is node below the root b. Retrieve all "item" elements located in every c. Retrieve "item" element at the root element d. Retrieve all "item" elements from the current element 14. What is the correct sequence of reserved words in an XQuery? RETURN ORDER BY a. FOR, RETURN, WHERE b. FOR, LET, RETURN c. LET, ORDER BY, RETURN d. FOR, LET, WHERE, mean? 15. What does the support for an itemset contains the set a. what fraction of the data set that the data b. number of of this itemset in c. number of items in the data set d. number of items in the itemset

Explanation / Answer

Solution:

8)

The only reason that XML is accepted in wide range is, it allows you to exchange information among computer systems. (a) is correct.

9)

The answer is c, because (pattern)+ means all possible combinations of string except empty string, whereas (pattern)* means all possible combinations of string in which empty string is included.

10)

d option is correct. /d will accept all except digits.

11)

Constraint used to represent schemas and relationships which is in XML database but not in XML document.

d is correct.

12)

c is correct.

I hope this helps. :)

Related Questions

Navigate

• Browse (All)
• Browse 8
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.