8 Questions
What is the cost of linear search in the best case scenario?
(br / 2)
When can linear search be applied according to the text?
Regardless of selection condition or ordering of records
What is the cost of binary search as per the text?
[log2(br)]
In which scenario is binary search generally used?
When selection is an equality comparison on the primary key attribute and the file is ordered on the primary key attribute
How do we evaluate expressions with multiple operations according to the text?
By evaluating each operation one by one in appropriate order
What does 'br' represent in the context of cost calculation?
Number of blocks containing records from relation r
Which search algorithm is faster between linear search and binary search?
Binary search
What method is used for evaluating expressions with multiple operations from bottom to top?
Pipelining
Test your knowledge on Query Processing and Optimization in Database Management Systems using this quiz based on the GTU #3130703 syllabus. Learn about steps in query processing, measures of query cost, query optimization, sorting, and join operations.
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