In a transaction wait-for graph (TWFG), each node represents a __________ and each arrow represents a __________.

a) process, resource
b) resource, resource allocation
c) process, requested resource being held by another process
d) resource, deadlock


c) process, requested resource being held by another process

Computer Science & Information Technology

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Choose an index for each of the following SELECT statements. Specify whether your choice is clustered or unclustered and whether it is a hash index or a B tree. +

a.``` SELECT S.Name FROM Student S WHERE S.Id = ’111111111’ ``` b.``` SELECT S.Name FROM Student S WHERE S.Status = ’Freshman’ ``` c.``` SELECT T.StudId FROM Transcript T WHERE T.Grade = ’B’ AND T.CrsCode = ’CS305’ ``` d. ``` SELECT P.Name FROM Professor P WHERE P.Salary BETWEEN 20000 AND 150000 ``` e. ``` SELECT T.ProfId FROM Teaching T WHERE T.CrsCode LIKE ’CS%’ AND T.Semester = ’F2000’ ``` f. ``` SELECT C.CrsName FROM Course C, Teaching T WHERE C.CrsCode = T.CrsCode AND T.Semester = ’F2002’ ```

Computer Science & Information Technology

You would write an unsolicited letter to indicate your interest in working for a specific company even if a job opening has not been advertised

Indicate whether the statement is true or false

Computer Science & Information Technology

A(n) _______________ works at multiple layers of the OSI seven-layer model.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

The condition you use to determine which information from a database is displayed is saved in what is called a(n) ________

Fill in the blank(s) with correct word

Computer Science & Information Technology