In 1854, George Boole, the first Professor of Mathematics at Queen's College in Cork, Ireland, published a book titled An Investigation into the Laws of Thought, on Which are Founded the Mathematical Theories of Logic and Probabilities.
Answer the following statement true (T) or false (F)
True
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Which of the following expressions will generate a random number in the range of 1 through 10?
a. myNumber = randomNumbers.nextInt(10); b. myNumber = randomNumbers.nextInt(1) + 10; c. myNumber = randomNumbers.nextInt(11) - 1; d. myNumber = randomNumbers.nextInt(10) + 1;
Draw the dependency tree for the following makefile. With this makefile, show the result of execution of the make utility.
What will be an ideal response?
Consider the following schema, where the keys are underlined:
The SSN attribute in Project is the Id of the employee working on the project and PID is the
Id of the project. There can be several employees per project, but the functional dependency
PID ! Name,Budget holds (so the relation is not normalized). Consider the query.
SELECT P.Budget, P.Name, E.Name
FROM Employee E, Project P
WHERE E.SSN = P.SSN AND
P.Budget > 99 AND
E.Name = 'John'
ORDER BY P.Budget
Assume the following statistical information:
10,000 tuples in Employee relation
20,000 tuples in Project relation
40 tuples/page in each relation
10-page bu er
1,000 di erent values for E.Name
The domain of Budget consists of integers in the range of 1 to 100
Indices:
? Employee relation:
On Name: Unclustered, hash
? Project relation:
On SSN: Unclustered, hash
On Budget: Clustered, 2-level B+ tree
Question: Find the best execution plan, draw it, and estimate its cost.
Security training provides detailed information and hands-on instruction to employees to prepare them to perform their duties securely.
Answer the following statement true (T) or false (F)