What is a disadvantage of implementing a tree as an array using computed links?
What will be an ideal response?
The biggest disadvantage of this method of implementing a tree is that if the tree is not full, space is wasted.
In particular, there may be many indexes in the array that contain no elements, but the space for elements has already been
allocated. In a linked implementation of a tree, this is not a problem.
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Where are user accounts inside the Office 365 tenant stored?
A. Azure AD B. SAM database C. Domain Controller D. SQL database
Use the _______ method of Iterator to return a reference to the next element in the collection.
a) next b) getNext c) hasNext d) isNext
Case-Based Critical Thinking QuestionsCase 7-2Kyra is quizzing her friend Leon about the various options available in CSS to direct parts of the Web page to different output devices, in preparation for his test tomorrow.According to Leon, which of the following is incorrect?
A. B. C. D.
Consider a relation schema, R(A, B), with the following characteristics:
a. Total number of tuples: 1,000,000 b. 10 tuples per page c. Attribute A is a candidate key; range is 1 to 1,000,000 d. Clustered B+ tree index of depth 4 on A e. Attribute B has 100,000 distinct values f. Hash index on B Estimate the number of page transfers needed to evaluate each of the following queries for each of the proposed methods: 1. ?A<3000: sequential scan; index on A 2. ?A>3000?A<3200?B=5: index on A; index on B 3. ?A=22 ? Bƒ=66: sequential scan; index on A; index on B